Precise details:Specification:Battery type:CR2 x 1pcs 3VStandby current:11uA Alarm current:120mA-130mABattery life:5 years standby timeOperating temperature:-10℃~50℃Working humidity:less than 95%Storage temperature:0℃~60℃ (32°F~140°F)Product size:diameter 51mm*H55mmProduct net weight:60gProduct gross weight:80gPackage Includes:1 * Smoke Sensor1 * Double-sided stickers1 * Screw1 * Manual
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