1、The lock is adopted quality zinc alloy material, good workmanship, sturdy and durable 2、The IR card lock help to keep locker safe. You can deposit objects in the locker temporarily without worry 3、Compatibility strong, support card unlock 4、Induction type lock, touch the induction section with the bracelet card you can unlock 5、Ideal for installing in sauna locker, shoes cabinet, shower room locker, supermarket locker, etc Description: This is a IR card lock, ideal for installing in sauna locker, shoes cabinet, shower room locker, super market locker etc. Wireless, just with a bracelet card to touch the contact section, you can open the lock. Easy and convenient to use. Don't miss the practical item. Features: The lock is adopted quality zinc alloy material, good workmanship, sturdy and durable. The IR card lock help to keep locker safe. You can deposit objects in the locker temporarily without worry. Compatibility strong, support card unlock. Induction type lock, touch the induction section with the bracelet card you can unlock. Ideal for installing in sauna locker, shoes cabinet, shower room locker, supermarket locker, etc. Empty all information by initializing button. There is a little hole on the back of lock cylinder, use tool button switch for 2 seconds, with a "beep" sound and blue light flashing, and all information will be emptied after light extinguishing. Specifications: Condition: 100% Brand New Material: Zinc Alloy Color: Golden, Silver, Additional Bracelet Management Card(optional) Unlock Type: User Card Induction Power Supply: 1pc AA Battery (not included) Lock Size: Approx. 85.5 x 55.5mm / 3.48 x 2.19inch Thickness: Approx. 18mm / 0.71inch Package Weight: 300g Package Included: 1 x Induction Lock (without battery) 1 x Bracelet Card 1 x External Power Supply Box Note: If cabinet lock can not be unlock due to low electricity power, you can open external power supply box to solve the problem. Added additional management bracelet card purchase option for you if needed. You can buy one or more to avoid problem if the original one is missing.