Specifications:

• Working time: 1 year on a single charge
• Working temperature: -40C~85℃ (industrial grade)
• Working humidity: <85%RH
• Sensor size: 73*27*20mm
• Origin: CN(Origin)
• Magnet size: 36*12*14mm
• Feature 4: sound and light alarm+camera
• Feature 3: smart gateway
• Feature 2: Door and window sensor
• Feature 1: Fast response and low power consumption
• Connection method: ZigBee
• Charging interface: DC5V==1A (Micro USB)
• Certification: NONE
• Battery capacity: 3.7V450mAh