battery power first alert smoke detector spy camera

{"cid":"91224585","title":"10 Year Wireless Smoke Detectors Battery Powered WIFI Smoke Alarm Detector With Photoelectric Sensor","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/df\/0f419ff576eec54d0cd31ef82f97-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"SMK-517W","Minimum Order Quantity":"100pcs","Delivery Time":"5 days","Name":"Wireless Smoke Detectors","Installation":"Wireless, easy mounting","Battery Life":"Up to 3 years","Sensor Type":"Photoelectric smoke sensor","Dimensions":"12 cm diameter x 4 cm height","Certifications":"CE\/SGS approved","Weight":"180 grams","Test Button":"Included for manual testing","App Compatibility":"iOS and Android","Connectivity":"WiFi","Alert Notifications":"Push notifications to smartphone","Voice Alerts":"Yes, with customizable voice messages","Interconnectivity":"Supports multiple detectors interconnection","Alarm Type":"Loud siren (85 dB)","Power Source":"Battery-powered","Certification":"CE\/ROHS\/EN14604\/SGS","Place of Origin":"China","Payment Terms":"L\/C,T\/T,Western Union,MoneyGram","Supply Ability":"50K PER MONTH","Packaging Details":"Color box,size:110\u00d755\u00d7110mm,60pcs in one carton,carton size:61x30x28cm"}}

{"cid":"91187771","title":"Laser Assisted Radio Frequency Detector Ni-MH 7.2V Battery Pack Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/fe\/17\/a3ed2589c35884f96c77d0d20553-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Purple Horn","Model Number":"VS-L8P","Minimum Order Quantity":"1Pcs","Delivery Time":"3-5 Working Days After Payment","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, ","Supply Ability":"5000pcs Per Month","Packaging Details":"Neutral Packing Carton Box","Power":"Ni-MH 7.2V battery pack","Battery life":"Continuous for 2 days after full charge (standby mode)","Detecting frequencies":"50 MHz - 6.0 GHz","Dimension":"L 14 x W 8 x T 2.5cm","Weight":"235g","Warning mode":"Vibration and 10 LEDs"}}