Item No.: N35B323
.Use door stop alarm to block a door from being opened  
.If an intruder attempts to open the door, the wedge-shaped design will prevent it from opening and activate a 120 dB alarm  
.Alarm volume 120 dB  
.Alarm auto off time: 60s after alarm  
.Minimum door gap height: approx. 6mm  
.Maximum door gap height: approx. 30mm  
.On/off switch  
.Power supply: 1 x 9V 6LR61 battery(unclude)  
.Material:ABS + Aluminum  
.With Anti-slip rubber  
.If the battery voltage is below 7V,the indicator light will turn red  
.Size:166*50*43mm  
.Weight: 103g