Specification Model M20Product Name 1080P Tuya WiFi Video DoorbellViewing Angle 155° Wide ViewingNight Vision Intelligent Night Vision with white light compensationVideo Resolution 1280x720Storage Encoding H 264Storage Function Supports Cloud Storage Only not support tf cardBattery 4000mAh 18650×2 with 1 3 months battery life and constant temperature protectionAudio Range 5m recording rangeWireless Connection IEEE802 11b g n 2 4GHzSupported Systems Android 4 3 or iOS 9 0 and aboveUSB Interface TPC DC5V 2AWaterproof Level IP65Features 1 155° Wide Viewing Angle Capture a broad and detailed view of your front door area to ensure maximum security coverage 2 Intelligent Night Vision Equipped with advanced night vision technology including white light compensation providing clear visuals even in low light conditions 3 2 Way Audio Communication Enjoy full duplex communication allowing you to speak and listen to visitors at your door in real time providing better interaction and security 4 PIR Motion Supports PIR sensor and doorbell press wake up functionalities Get instant alerts on your mobile device whenever motion is detected or the bell is pressed 5 Long Battery LifeLow Power Consumption Powered by a high capacity 4000mAh battery with low power consumption ensuring a standby time of 1 3 months with consistent temperature protection 6 IP65 Waterproof Designed to withstand various weather conditions ensuring reliable performance outdoors with an IP65