Specifications:

• smoke detector: Smoke Sensor
• Origin: CN(Origin)
• 433MHZ GSM Wireless Smoke: Home Security
• working voltage: 9V battery
• Working Temperature: 4 to 50 degree
• wireless smoke: Fire Smoke Detector Alarm
• Type: Smoke Detector
• Smoke Sensitivity: Compatible with UL217 standard
• Model Number: SA-168
• life of battery: 6 months
• color: white
• Brand Name: qiaoandianzi
• Alarm speaker volume: 85db at 10 inches
• alarm current: 20 to 25uA