Features:
*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.


Specifications:
Host Machine:
Power Supply: 2*AA batteries (not included)
Transmission Frequency: 315MHZ(±500KHZ)
Operation Range: Within 10m ( no obstacles)
Unlock Mode: Remote control unlock & indoor emergency button unlock
Item Size: 15.5*8*3.5cm
Item Weight(without accessories): 529g
Remote Controller:
Power Supply: Lithium button battery
Standard Number: 4 (included)
Max Controller Number: 16 (not included)
Function: Lock &unlock
Item Size(Each): 6*3*1cm
Item Weight(Each): 25g


Package Information:
Package Size: Approx. 22.2*19.8*5.8 / 8.47*7.8*2.28in
Package Weight: Approx. 1040g / 2.3lb

Package List:
1* Lock
1* Lock Body Holder
1* Lock Catch
1* USB Power Cable
4* Remote Keys
1* Bag of Mounting Screws
1* User Manual(English)