Description: 100% Brand New and High quality. Material: steel Lock body material: ABS Plastic Accept cabinet or wardorbe door thickness: within 50mm. Suitable for Wooden door only Power supply: 4pcs AAA batteries.(not contain) Operating temperature: -30℃～80℃ Antistatic behavior: 15,000V, information can be saved though in strong static Static Power Consumption: 5μA Dynamic Power Consumption: about 200mA Low voltage alarm: 4.8V 1. Master Card/keychain have been set for the lock, no need to be programmed or activated. All you need to do is to install 4 pieces AA batteries, you can use the lock. 2. This is suitable for wooden Metal door , special for drawer, locker, cabinet, slidding door. 3. No need to drill holes, No damage to your cabinet. 4. Auto-rebounce and auto-lock function, easy to operate. 5. steel and ABS plastic lock body, durable and anticorrosion. 6. Motor life span is about 100,000 times, The Static Power Consumption less than 5μA. Package include: 1 * invisible cabinet lock (including screws) 1* card SPU 821