Overview: Door Closers - It's a portable, industrial-strength door security device that prevents unwanted entry. It takes just moments to fit to any standard internal...
Connection mode: Bluetooth connection Interface type: USB Battery capacity: 1800Ma Output power: 3W Signal to noise ratio: ≥ 75db Power supply mode: built in lithium...
Product description: Â Technical Parameters: Â Working voltage: DC 9V (9V battery, laminated battery), take a battery and take it. Â - Alarm sound pressure:...
Product information: Color classification: No plug Specifications: Without battery and plug, with temperature and humidity without battery and plug Description: Mobile APP remote alarm memory...