Features: HD1080P image and wide viewing angle, provide you a clearer and broader view. Built-in 3400mA battery, with ultra low power consumption, can last for 6 months. The six IR-LUT filter modes, automatically switched by optical sensors, can monitor and capture images in low light conditions. With PIR motion detection & tamper-proof alarm function, can automatically record or capture photos, and send the alarm information to your phone when there is abnormity. Support mobile phone monitoring (for iOS/Android) to look outside. When find a visitor outside the door, you can make a video and audio call, and record a short video. Support cloud storage. Can support up to 32GB TF card to save video recording (not included). New one-button design, flexible operation, high-energy plastic technology. The whole machine is highly integrated, safe, stylish and convenient. With super Wifi transmission penetration technology. Built-in super Wifi transceiver module, 2.4ghZ wifi connection, not supporting 5G wifi, can easily deal with stainless steel doors, wooden doors, iron doors and other obstacles. The installation is freely defined. It can be fixed directly to the door for wireless installation, and installed in a wall partition or other places. Specifications: Material: ABS plastic Color: As picture shown Main Chip: Hi3518E Image Sensor: 1/4 CMOS Working Current: 190mA Standby Current: 80uA Voltage: 90~260V Plug Type: EU Plug, US Plug, UK Plug (optional) Video: 1980 * 1080 / H.264 / Adaptive rate adapting to multiple network environments Voice: Two-way voice intercom, built-in speaker, built-in microphone Viewing angle: 166° Day and Night Function: IR-CUT dual filter automatic switching / infrared light 6 * LED, 850nm Night Vision Distance: 10m Storage: Support for SD card 8G / 16G / 32G (not included) Cloud Storage: Support (with 7-day free cloud storage) Connection: Wi-Fi 2.4GHz, IEEE 802.11b / g / n, AP hotspot, broadcast, scan QR code Recording: support mobile phone local video / VOD Screenshot: Live screenshot of the phone Wake up Plan: mobile remote, PIR, device wake up Quick Start: starts in a few milliseconds Message Push: Push in 3 seconds Motion Detection: PIR motion detection with adjustable sensitivity Battery: two 18650 batteries, 3.7V 3400mAH rechargeable ( 8v-24v AC power) (not included) Size: 15.3 * 7.0 * 3.5cm / 6.0 * 2.8 * 1.4in Package Weight: 375g / 13.2 oz Package Included: 1 * WIFI Doorbell (Battery Not Included) 2 * Dingdong Doorbell 1 * Mounting Kit 1 * User Manual . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.