Operating voltage:9V,6F22 Bettery life:1 years Infrared photoelectric sensor Radia Frequency: 433M Radio distance:more than 100m(open area) Alarm volume: more than 85dB/m. http://www.karassnsecurity.com
Quanzhou Karassn Security Protection Electronics Co., Ltd.
联系商家时请提及chemicalbook,有助于交易顺利完成!