Basic
Specification: 110 mm * 70 mm * 68 mm
Communication: 433MHz (GFSK)
Appearance material: PC
Volume: 0-95db adjustable
Siren voice: 5 different voices for choice in the app
Power supply: 220V 50Hz +-5%
Indoor Communication Distance: 12-25 meter
Operating temperature: 0° to 50° C
Relative humidity: 10% to 90% noncondensing
Controllable distance: 20m