Eachen (Ewelink) RF Bridge Pro with 15 door/window contact sensors

R1700 for everything RF BRIDGE PRO: This device can add up to 4pcs 433MHz RF Remote Controllers. It can Works with DOOYA 1CH remote contoller. It can make your traditional DOOYA curtains become intelligent via ewelink APP. Set time schedules for automatic control: support set timers to open or close curtains. Works with Alexa: Link “eWeLink Smart Home Fan” skill. You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off your RF devices. Works With the Google Assistant: Link “Smart We Link” on Google Home app, start to voice control your RF devices on Google Home. Why choose me: * Can learn the encrypted DOOYA remote controllers (1CH) * Can learn fixed code 433MHz frequency, like PT2260, PT2262, PT2264, EV1527, etc. * Up tp 20-30meters RF coverage. * Works with voice controllers: Alexa echo/tap/dot and Google Home. * Timing: Supports scheduled/countdown timing tasks to turn on/off at specified time. Specifications: Power Supply: Micro USB 5V/1A Supported Radio: 433MHz RF Not support to learn rolling code Wireless Standard: 2.4G-WiFi 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK RF DOOR/WINDOW SENSORS: These are 2 code RF sensors meaning that it sends separate codes for open and close, so you can trigger automations in the ewelink app individually based on opening of the door and closing of the door. Batteries not included