！！The price of the doorbell does not include the Dingdong machine and battery USB cable. PIR Motion Detection - Automatically send alert to your phone when it detects any suspicious motion or the doorbell be pressed.
eBay
It can be used continuously for 2 to 4 months after being fully. WiFi connection: only supports WIFI IEEE802 11b/g/n (2.4GHz), RF 433mhz. There is no need for frequent charging. Infrared night vision: Built-in high-quality IR LED lamp beads and light sensor, the picture is clear at night.
eBay
Select 1: Black Doorbell(Only). Select 2: White Doorbell(Only). Select 3: Black Doorbell(Only). Select 1: Black Doorbell(Only)-No TF Card Type: Smart WiFi Doorbell. 100% wire-free, easy to mounts in any spots you like.
eBay
Long Standby: No disassembly cycle charging. Built-in lithium-ion high-capacity battery, long standby. Capture Screen: Storage to the cloud, security protection drip. 1 Wireless Doorbell. Connection Mode: 2.4G WiFi.
eBay
WIFI Support 2.4G WIFI IEEE802.11b/g/n. Red light blinking: waiting for connecting WiFi or being connected now (faster blinking). Microphone Captures sound for your video. Min llluminance 0.01Lux. Audio Full duplex audio.
eBay
4.3" IPS screen, Infrared night vision, Built-in speaker & Microphone, Wireless installation, Video two-way intercom, Full perspective presentation, Automatic video recording, Automatic photo storage.
eBay
The system supports a maximum of 200pcs fingerprint and 200pcs IC card unlock. Best of all, it has a built-in standard PoE system with which all PoE switches are compatible. Built in Standard POE, all POE switch compatible with.
eBay
100% wire-free, easy to mounts in any spots you like. Ding Dong: Support RF 433MHZ Ding Dong. WiFi Connection: 2.4GHz WiFi, Support (802.11 b/g/n)，(5GHz WiFi not supported).
eBay