Features: Dual core and dual system, open faster, response quicker. Different ways to open and close, remote control/BT/emergency button.Easy and firm installation with the external mounting plate. Remote controls with digital conversation system, it cannot be decoded or duplicated. Anti-theft design brings you safety. Made of stainless steel, provide long service life, very strong and steady. Power saving and low battery consumption. The bottom panel design makes installation easier and more stable. Ideal for office, home, hotel, anti-theft door, corridor door, wooden doors, garage door, etc. Automatic sensing function, selflock in 20 seconds after door is opened. Specifications: Remote Control Distance: 10m/32.8ft Remote Control Power Supply: 2 (or 4) 12V 27A Battery (included) Door Lock Power Supply: 4 AA Battery (Not Included) Unlock Current: 100mA Battery Life: 4 batteries last for 16 months in standby mode Working Temperature: -20-70 Working Humidity: 20%-80% Lock Tongue Moving Distance: 23mm/0.90in Material: Stainless Steel Package Size: 22.019.28.0cm/8.667.563.15in Package Weight: 1238g/43.70oz(2-key) Package Weight: 1298g/45.78oz(4-key) Package List: 1 Door Lock 1 Bottom Gusset Plate 1 Door Bolt Holder 1 Screw Kit 2/4 Remote Controller (Optional) 1 English-Chinese User Manual 1 Electrical Batch 1 Little Bit S4005-4. The item "WiFi Bluetooth Smart Door Lock Remote Control Keyless Anti-theft Deadbolt A A3O7" is in sale since Thursday, June 25, 2020. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "miracdiam666" and is located in Shen Zhen. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.