● 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.
● Dual system control, dual battery supply, dual motor unlock.
● Three unlock modes optional: Remote control unlock, indoor button unlock, phone APP unlock.
● Easy installation on all kind of doors, very convenient.
● Battery normal use about 1 year, low voltage alarm, battery depletion when there is a spare battery to unlock.
Material: Zinc alloy
Lock size: 16x 8.5 x 5cm
Controller size: 6 x 3 x 1cm