Feature: 1. Solid Material: The remote control door lock with anti rust battery box is durable due to its special material designed spring. The latch and main parts are made from stainless steel with a non fading feature. 2. Inductive Lock: The door locking access control system operates using a remote control with an unlocking distance of 0‑20m (in the open). The lock can be unlocked both via remote control and rotating the wheel. 3. Easy to Install: The remote control adopts a digital dialing system and cannot be decoded or duplicated. It features an innovative release and lock sound and can be easily installed without plugging in. 4. Power Saving Control: Low power consumption, 4 AA batteries can provide about one year of working time (batteries not included). The smart lock has a long service life with 300,000 times of unlocking without wear. 5. Wide Application: The remote control with a digital dialing system that cannot be decoded or duplicated. It is great for offices, homes, hotels, anti theft doors, entrance doors, wooden doors, garage doors, and more. Specification: Item Type: Remote Control Lock Material: Stainless Steel Remote Control Distance: 0-20m/0-65.6 (Open Space) Unlocking Current: 120mA Lock Bolt Distance: Approx. 22mm/0.87in Battery: 1 x CR2032 80mAh Button Cell (Built in), 4 x AA Alkaline Batteries (Not Included) Working Temperature: -10-60°C Working Humidity: 20%-80%. Package List: 1 x Door Lock2 x Bottom Gusset Slat1 x Deadbolt Retainer2 x Remote Control1 x Screwdriver1 x Drill Bit1 x Antenna Head11 x Screw1 x Sticker1 x English Instruction Manual