Description : This product can work with any DYGSM wireless host.
When alarm happens, the alarm light shines and give out sharp sirens.
It is with a built-in and large capacity battery. The wireless signals can be encrypted to resist the strong interference. A host can match multiple wireless alarms and you could select the intensity of alarm to your liking.
Specification : Input voltage: AC 100-240V 50/60Hz
Output voltage: DC 9V 1A
Static current: a15mA
Alarm current: a300mA
Alarm indication: LED flashes in red
Alarm sound: a120dB
Radio frequency: 433MHz (±75KHz)
Transmitting distance: a80m (in open area)
Battery standby time: 15 hours (under full power condition)
Operating temperature: -10a to +50a
Humidity: a85%
Package includeds : 1 xWireless Outdoor Siren
1 x EU Plug Power Supply (Also come with an adapter according your country)
1 x User Manual
Details pictures :