Wireless internal sounder
RF Transmission
RF Frequency868 MHz
RF Modulation2GFSK
RF Range1.6 km (open area)
General
Operation temperature-10 °C to 55 °C
Operation humidity10% to 90% (no condensing)
Shell material PC+ABS
Dimension(WxHxD) 88× 88 × 32 mm
Weight169.5 g
Color Red LED flash