Feature:1. HD WIDE ANGLE LENS: 180 degree wide angle lens, compared with the traditional cat's eye, you can see a broader perspective, the eyes can see the door in front of the door, so that the door does not leave a security dead zone, but also can see more than one visitor.2. HIGH DEFINITION CAMERA: The HD lens can shoot 1080P level HD video, clearly record every picture, the picture is rich in details, so you can see all the details of the visitor's face.3. STURDY LENS: The product shell is made of aluminum alloy, which is rustresistant, and the lens lenses are also reinforced with hard glass, which can avoid intentional human damage.4. INTELLIGENT CONNECTED: Using for Tuya APP as the connecting device, you can remotely display the situation in front of the door through WiFi, and send notification to your cell phone in time when someone passes by the door. Installation size is diameter Approx. 20mm/0.79in, length Approx. 87mm/3.43in5. SECURITY: With the remote doorbell, you don't need to venture to the door to check the situation, just use your cell phone to check the situation of the crowd outside the door to guard your safety.Specification:Item Type: Peephole CameraMaterial: Metal, ElectronicsLens Diameter: Approx. 32mm/1.26inBody Diameter: Approx. 20mm/0.79inSupports Maximum Thickness of the Gate: Approx. 87mm/3.43inHorizontal Resolution: 1080pVoice Type: Voice IntercomLens: Approx. 1.6mm/0.06inAlarm Function: Motion DetectionInfrared Night Vision Distance: Approx. 1-3meter/3.3-9.8ftSupport: H.264 FormatSupport: Wifi Dual FrequencyMemory Card: Maximum Support 128G (Not Included).Package List:1 x Camera1 x Power Supply Cable1 x Instruction Manual