DC Operated Wireless Manual Call Point
►Operated with single 12V DC battery
►Operating Temperature: -10℃~+50℃
►Operating Humidity : 0 to 95 RH, no condensation or icing
►Operating Current: 1 mA
►Wireless network, no wiring is required and easy to install
►Press button with moderated force
►Working frequency: 315MHz / 433.93MHz
►Working with VST-WS928Nor VST-WS821N or Control device VST-HS2008
►CE approved， conform to UL864 standard, BV ISO9001:2000