NAME：HD350

product material：Made of stainless steel。

Process treatment：The lock surface adopts spray paint process。

power supply：4 1.5V alkaline batteries

Low pressure alarm：When the voltage is lower than 4.8V, it will alarm automatically

Door opening record：200 pieces

Fit lock body：N70, 60 lock body

colour：Black, red bronze

Hotline：400-830-0021