Xiaomi Lydsto YM-CHS01 Rainbow Keyless Smart Lock Security Guard

The Xiaomi Lydsto YM-CHS01 Rainbow Keyless Smart Lock Security Guard is a compact, high-strength alloy steel padlock designed for travelers and everyday users who want reliable security without the hassle of physical keys. Its 5-digit combination system offers 10,000 unique codes, while the scratch-resistant alloy canvas cover protects both the lock and surrounding items. Weighing just 671 grams and measuring 17.78 × 15.24 × 5.08 cm, it fits easily into luggage, gym bags, or backpacks, making it a versatile companion for commuters, frequent flyers, and fitness enthusiasts alike.

Securing Your Essentials with Xiaomi Lydsto

The Xiaomi Lydsto YM-CHS01 Rainbow Keyless Smart Lock is a compact, high-strength alloy steel security solution designed for travelers and everyday use. By replacing traditional keys with a 5-digit password system, it offers up to 10,000 unique combinations, providing reliable protection for luggage, gym bags, or backpacks without the risk of losing a physical key.

Key Takeaways

• Keyless Security: Features a 5-digit code system with 10,000 possible combinations.
• Robust Build: Constructed from high-strength alloy steel resistant to cutting.
• Portable Design: Lightweight 671g frame ideal for travel and mobile storage.
• Style Meets Function: Durable alloy canvas cloth cover resists surface scratches.

What is the Xiaomi Lydsto YM-CHS01?

The Xiaomi Lydsto YM-CHS01 is a versatile smart security guard that functions as a high-performance padlock. As part of our commitment to quality travel hardware, our Adatun team has reviewed the utility of this lock for modern mobile professionals. It addresses the common frustration of lost keys while ensuring your hardware remains tamper-resistant through hardened material selection.

We appreciate the thought put into the aesthetic, specifically the subtle color accents that distinguish it from industrial, bland security hardware. It is built to serve users who prioritize a balance between heavy-duty security and the need for a low-profile, aesthetic accessory.

The lock's internal mechanism uses a hardened alloy steel shackle and body that resist bolt cutters, saws, and pry tools. The 5-digit dials are precision-machined to prevent accidental rotation, ensuring your set code stays intact during transit. The included alloy canvas cloth cover slips over the lock body, shielding it from scratches and preventing the metal from damaging fabrics or electronics packed nearby.

Key Features

• 5-Digit Precision: The password mechanism allows for thousands of sequences, ensuring that unauthorized access is practically impossible without the exact input.
• Alloy Steel Durability: The internal locking mechanism uses hardened alloy steel designed to resist manual force and standard cutting tools.
• Scratch-Resistant Coating: A specialized alloy canvas cloth cover protects the unit, keeping it looking pristine even after repeated friction inside a suitcase.
• Compact Utility: Measuring 17.78 × 15.24 × 5.08 cm, the lock fits seamlessly into small compartments without adding unnecessary bulk to your carry-on.
• Resettable Combination: Users can change the code at any time using the included instructional guide, allowing periodic updates for enhanced security.
• Weather-Resistant Finish: The alloy steel body features a corrosion-resistant coating that withstands humidity, rain, and temperature fluctuations encountered during travel.

Specifications

• Brand: Xiaomi Lydsto
• Model: YM-CHS01
• Material: Hardened Alloy Steel
• Dimensions: 17.78 × 15.24 × 5.08 cm
• Weight: 671 g
• Color: Black finish with Rainbow accent
• Combination Type: 5-digit user-resettable
• Shackle Diameter: Approximately 6 mm (fits standard luggage zippers and locker hasps)
• Cover Material: Alloy canvas cloth with reinforced stitching

Why Modern Travelers Choose This Lock

Choosing the right security gear often comes down to balancing weight and protection. The Xiaomi Lydsto YM-CHS01 manages this by utilizing a high-density alloy that maintains strength while keeping the total weight at a portable 671 g. Frequent flyers and gym-goers appreciate not having to manage a keyring or worry about lost brass keys in transit.

Furthermore, the design minimizes the potential for mechanical failure. Traditional mechanical locks can seize up due to dust or debris, but the YM-CHS01's design ensures the input interface remains clean and responsive. Its scratch-resistant exterior is a significant benefit for travelers who stow their bags in overhead bins or crowded lockers, preventing the lock from damaging other valuables.

Use Case: Long-Distance Travel

For international flights, securing your luggage is paramount. The 5-digit code provides a level of depth that standard 3-digit locks often lack. Because the material is resistant to common tampering tools, you can board your flight with confidence that your belongings remain secure.

Use Case: Daily Gym Security

In a shared locker room, quick access is just as important as security. The keyless interface allows for rapid entry, meaning you spend less time fumbling with your locker and more time focusing on your training. The aesthetic, vibrant accent also makes identifying your bag or locker significantly faster in crowded facilities.

Use Case: Commuter Backpack Protection

Urban commuters can secure the main compartment of a backpack or messenger bag during crowded train rides. The slim profile (5.08 cm depth) ensures the lock doesn't create an uncomfortable bulge against the wearer's back.

Use Case: Shared Office or Dormitory Storage

Students and professionals in shared spaces can lock drawers, cabinets, or storage bins. The resettable combination means you can grant temporary access to a colleague or roommate, then change the code afterward.

How to Set and Reset Your Combination

The lock ships with a default code (typically 0-0-0-0-0). To set your personal combination:

1. Open the lock using the current code.
2. Locate the reset button on the side of the lock body (usually a small pinhole).
3. Press and hold the reset button with a pen tip while rotating the dials to your desired 5-digit sequence.
4. Release the reset button; the new code is now active.
5. Test the new combination twice before securing valuables.

Record your code in a secure location (e.g., a password manager) to avoid lockouts. The process takes under 30 seconds and requires no tools.

Care and Maintenance

• Wipe the lock body and cover with a dry microfiber cloth after exposure to moisture or sweat.
• Avoid submerging the lock in water; the internal mechanism is not rated for immersion.
• Apply a drop of lightweight machine oil (e.g., 3-in-1 oil) to the shackle pivot point every 6 months to maintain smooth operation.
• Store the lock in its alloy canvas cover when not in use to prevent scratches and dust buildup.
• Periodically verify that all five dials rotate freely; grit can be removed with a soft brush.

Who Should Buy This Lock

• Frequent flyers who want TSA-compatible security (note: this lock is not TSA-approved; check airline regulations for checked baggage).
• Gym-goers and athletes needing quick, keyless locker access.
• Students securing dormitory lockers or shared storage.
• Commuters protecting backpacks on public transit.
• Minimalist travelers who prefer a single, lightweight lock for multiple bag types.

Comparison with Traditional Key Locks

The keyless design eliminates the most common failure point — a misplaced key — while offering a higher combination count than typical 3-digit travel locks (1,000 combinations). However, users must remember their code; there is no master key or recovery mechanism.

Buying Guidance: What to Look For

• Shackle clearance: Measure the zipper pulls or hasp on your bag; the YM-CHS01's ~6 mm shackle fits most standard luggage zippers and gym locker loops.
• Combination length: 5-digit codes provide 10× the combinations of 3-digit locks, significantly reducing brute-force risk.
• Weight budget: At 671 g, this lock adds minimal weight to carry-on allowances (typically 7–10 kg).
• Cover inclusion: The supplied alloy canvas cover protects both the lock and adjacent items; verify it's included in the package.
• Resettable mechanism: Ensure the model allows user code changes; some budget locks are fixed at the factory.

Travel Compliance and Airline Considerations

While the Xiaomi Lydsto YM-CHS01 provides strong physical security, it is not marketed as a TSA-approved lock. For checked baggage on U.S. domestic flights, TSA agents may cut non-approved locks if inspection is required. For carry-on bags and international travel where you retain possession, the lock's robust construction is ideal. Always verify current regulations with your airline and destination country before flying.

What's Included

• Xiaomi Lydsto YM-CHS01 Security Lock
• Protective Alloy Canvas Cloth Cover
• Instructional guide for setting initial security combinations

Written by Adatun Team, Product Specialist. Updated: August 2026.