* No lock hole design, it completely abandons the traditional key and lock, open and close by remote control or APP (eWelink), realized real security.
* Three unlock modes optional: Phone APP unlock, Remote control unlock, indoor Button unlock.
* Dual core and dual system, open faster, response quicker. Easy and firm installation with the external mounting plate.
* Remote controls with digital conversation system, it cannot be decoded or duplicated. Anti-theft and bring you safety.
* Made of stainless steel, provide long service life, very strong and steady. Power saving and low battery consumption.
Note: With WiFi Adapter, can achieve remote control the lock by phone APP.<br/><br/>Features:<br/>*No lock hole design, it completely abandons the traditional key and lock, open and close by remote control or APP (eWelink), realized real security.<br/>*Three unlock modes optional: Phone APP unlock, Remote control unlock, indoor Button unlock.<br/>* Dual core and dual system, open faster, response quicker. Easy and firm installation with the external mounting plate.<br/>* Remote controls with digital conversation system, it cannot be decoded or duplicated. Anti-theft and bring you safety.<br/>* Made of stainless steel, provide long service life, very strong and steady. Power saving and low battery consumption.<br/>* Once the main batteries are depleted, you can use the backup battery, no worries about dead battery and be locked outside.<br/>* Ideal for office, home, hotel, anti-theft door, corridor door, wooden doors, garage door, etc.<br/><br/>Specifications:<br/>Remote Control Distance: 0-20m(open space)<br/>Power Supply: 4* 12V 27A Battery for Remote Control (included), 1* 23A 12V Battery (included) &amp; 4* AA Battery (Not Included) for Door Lock<br/>Unlock Current: 120mAh<br/>Battery Life: 4 batteries last for 16 months in standby mode<br/>Transmission Frequency: 433MHz(±500KHz)<br/>Operation Range: Within 20m<br/>Unlock Mode: APP unlock&amp;Remote control unlock&amp;indoor Button unlock<br/>APP Support: iOS/Android<br/>Working Temperature: -10-60℃<br/>Working Humidity: 20%-80%  <br/>Lock Tongue Moving Distance: 22mm<br/>Material: Stainless Steel <br/>Item Size: 137*77*37mm/5.39*3.03*1.45in<br/>Item Weight: 670g/23.67oz<br/>Package Size: 23.0*17.0*6.5cm/9.05*6.69*2.55in<br/>Package Weight: 1056g/37.24oz<br/><br/>Package List:<br/>1* Door Lock<br/>1* Bottom Gusset Plate<br/>1* Door Bolt Holder<br/>1* Screw Kit<br/>1* 23A 12V Battery<br/>4* Remote Controller<br/>1* USB Wifi Adapter<br/>1* English-Chinese User Manual