Connectable Home Best Security System Fire Alarm Water Indoor Sensor

Connectable Home Best Security System Fire Alarm Water Indoor SensorTechnical ParametersPower Source: DC9V (smoke detection) DC4.5V (transmission/receiver:3x1.5V AA battery)Current:DC9V stand-by-mode≤12uA DC9V alarming mode≤20mA DC4.5V working mode≤230uAAlarming decibel:≥85dB/3mFrequency:433.92MHzTemperature:-10º C ~ +40º CTransmission/receiver distance:≤60m in open areaSize (diameter):128x 50mm  Detailed PhotosView more products,click here...  Company Profile   /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1