*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.
*Extended antenna, stronger signal, safer and more responsive.
*Add USB external power source function. Make sure the lock works when battery (not included) was dead.
*Two unlock modes optional: Remote control unlock& indoor button unlock
*Easy installation on all kind of doors, very convenient.
Power Supply: 2*AA batteries(not included)
Transmission Frequency: 315MHZ(±500KHZ)
Operation Range: Within 15m
Unlock Mode: Remote control unlock& indoor button unlock
Item Weight(without accessories): 534g
Power Supply: Lithium button battery
Standard Number: 4 (included)
Max Controller Number: 16 (not included)
Function: Lock &unlock
Item Weight(Each): 25g
Package Size: Approx.22.2*19.8*5.8/8.47*7.8*2.28in
Package Weight: Approx.1194g/2.63lb
1* Lock Body Holder
1* Lock Catch
4* Remote Keys
1* Bag of Mounting Screws
1* User Manual(English)