Hotel door block burglar alarm, door gap alarm, door stopper alarm, household door stop alarm

Working current:10
color:Naked alarm (no battery) + white box, naked alarm (no battery)
Volume ≥:150
model:door stopper alarm
For people:public
Specification:14*4.5*4
scope of application:travel burglar alarm
Operating Voltage:9
lighting function:/

NOTE:NO BATTERY