SR 150: Wireless Siren
Compatible with MG Series V4.0 and SP series V4.0 when using an RTX3 V1.5
Built-in transceiver (433MHz or 868MHz)
100db wireless siren with integrated strobe light
Weather-resistant design using a PC/ABS enclosure with UV protection and a silicone coated PCB (-20°C to 50°C / -4°F to 122°F)
Battery powered only, no need for AC power
Fast alarm response time (4 seconds)
2.5 hour alarm display (strobe flashes every 4 seconds after bell cut-off)
Siren presence supervised by control panel
Panel presence supervised by siren (activates siren and strobe for 5 minutes if communication is lost -- squawk once and flash every 4 seconds)
Triple tamper protection (screw removal, cover removal, and removal from wall)
Assign up to 4 sirens per control panel
In-field firmware upgradeable via 307USB
Siren test mode
4-LED signal strength and status display
Strobe lens available in 4 colours (red, blue, amber, and clear)
Fully powered using three 1.5Vdc type “D” alkaline batteries (included). Not required, but can also be powered using 8-16Vac / 9-20Vdc power supply.

Dimensions: 24cm x 6cm x 18cm (9.5in x 2.3in x 7 in)