Easy to install: No drilling required, protecting your cabinet. Simple to operate with automatic rebound and locking functions. Features a durable and corrosion-resistant stainless steel latch and ABS plastic housing. A single master card can be configured to open multiple locks, so you only need one key to control them all. The motor's lifespan is approximately 100,000 uses, with a static power consumption of less than 5μA. Powered by 4 AA alkaline batteries for over 12 months of use. The master card/key fob is pre-set for the lock, requiring no programming or activation. Simply insert 4 AA alkaline batteries and the lock is ready to use. Suitable for wooden doors only, and commonly used for drawers, cabinets, cupboards, and sliding doors. The autonomous reset system identifies all cards, eliminating concerns about lost cards. A great aid for quick and easy operation. No card writing needed. Technical Data: Specifications: Quality: 100% brand new and high quality Color: black Material: stainless steel, ABS plastic Accepts cabinet door or wardrobe thickness: within 30mm Suitable door: wooden door only Power supply: 4 AA batteries (not included, otherwise customs security check will fail) Battery life: ≥1.5 years Operating temperature: -30 °C to +80 °C Relative humidity: <95RH Anti-static behavior: > 15,000 V, data can be stored in strong static. Static energy consumption: <5μA Dynamic energy consumption: about 200mA Low voltage alarm: <2.4V Can a backup power supply be connected: Yes Size: 7.5 * 7.5 * 3.0 cm / 3.0 * 3.0 * 1.2 in (lock body); 7*3.6*2.5cm/2.8*1.4*1.0in (door bracket); 8.5 * 5.5 cm / 3.3 * 2.2 in (ID card) Package weight: 197g / 6.9 oz Package List: 1 * Mortise lock (lock body) (battery not included) 1 * Door bracket (side lock) 1 * Smart RFID ID card 1 * Installation screw bag 1 * User manual