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Features:- Support switching between 2.4Ghz and 5Ghz, more frequency band options, not easy to drop.- PIR+AI humanoid detection. Once an abnormality is found, an immediate alarm is given. Doorbell + Monitoring Combination.- Active wake-up and long-distance video calls.- 2 million pixel high-defini..

Specification:[Doll Bell]Product type: dingdong doorbell cameraResolution: 640*480Product model: AA LR6 1.5V (#5 alkaline battery)Camera Angle: 80°Rated Voltage: DC4.5vNight vision light: infraredAperture: f2.2Audio system: two-way audioStorage function: rngs Bell APP take pictureworking humidity: 1..