Install Hole Diameter: 38mm

Door depth:6cm/7cm/8cm/9cm/10cm/11cm/12cm (Pls inform us about your door depth)
LCD Panel: 1.8 inch, 64K color  160x128 ;

Support SI Card up to 4 G ;

Standby Hour:1200 hours more ;

Standby current:0.7mA ;

Charge time:3 hours ;

Static Electronic Protection: More than 8KW;

Buttom Working time: More than 100 thousands time;