Country：China>Guangdong>shenzhen
C403 Hongwan Business Centre Gushu Community Xixiang Street Baoan District Shenhen Guangdong China
Company：ShenZhen Farctrl Technology
Mobile：13760381454
Tell：0755 - 27929568
Product Parameter: Model : Working voltage 9v Charging current ≤20mA Static Current ≤15uA Transmission Frequency 433MHz Launch distance 50-100m (exposed area) Smoke induction According to No.ul217 standard ,test value 3.2% per foot faint smoke will be detected Alarm volume >85 decibel Working temperature 0℃~+45℃ Working humidity 30％~90% Size 105*38mm https://www.amazon.com/T10SWF-Support-Surveillance-Notification-Included/dp/B01H3GKNL4/ref=sr_1_4?ie=UTF8&qid=*&sr=8-4&keywords=farctrl
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