*No lock hole design, it completely abandons the traditional key and lock, in the fully opened and closed by remote control, realized the real security.
*Tiger lock method, more safe and stable.
*No keyholes outside, there is no way for thieves.
*Add USB external power source function. Make sure the lock works when battery was dead. (battery not included)
*Easy installation on all kind of doors, very convenient.
Note: The User Manual is Common Version. This product is 433MHz not 315MHz, and without touch lock/unlock function.<br/><br/>Features:<br/>*No lock hole design, it completely abandons the traditional key and lock, in the fully opened and closed by remote control, realized the real security.<br/>*Tiger lock method, more safe and stable.<br/>*No keyholes outside, there is no way for thieves.<br/>*Add USB external power source function. Make sure the lock works when battery was dead. (battery not included)<br/>*Easy installation on all kind of doors, very convenient.<br/><br/><br/>Specifications:<br/>Host Machine:<br/>Power Supply: 2*AA batteries (not included)<br/>Transmission Frequency: 433MHZ(±500KHZ)<br/>Operation Range: Within 15m<br/>Unlock Mode: Remote control unlock &amp; indoor emergency button unlock<br/>Color: Silver<br/>Item Size: 15.5*8*3.5cm<br/>Item Weight(without accessories): 529g<br/>Remote Controller:<br/>Power Supply: Lithium button battery<br/>Standard Number: 4 (included)<br/>Max Controller Number: 16 (not included)<br/>Function: Lock &amp;unlock<br/>Item Size(Each): 6*3*1cm<br/>Item Weight(Each): 25g<br/><br/><br/>Package Information:<br/>Package Size: Approx. 22.2*19.8*5.8 / 8.47*7.8*2.28in<br/>Package Weight: Approx. 1040g / 2.3lb   <br/><br/><br/>Package List:<br/>1* Lock<br/>1* Lock Body Holder<br/>1* Lock Catch<br/>1* USB Power Cable<br/>4* Remote Keys<br/>1* Bag of Mounting Screws<br/>1* User Manual(English)