1) Name: Universal tuya Wifi smart receiver. 2) Operating Voltage: DC/AC 9V~30V 3) Channel: 2. 4) Frequency: 280MHz - 915MHz. 5) Distance: 30-50 meters. 6) One receiver can work with 100 codes. 7) It don't interference other remotes and receivers. 8) selector: With 8 dip switches user can make different combination for different remote . 9) Code: Rolling and Fixed code & Learning code. 10) Uses: Receiver is designed to control any gate automation system, burglar alarm system, electric doors, , lifting equipment, gateways, lifting devices. This is an easy to use, good looking, low power consumption and is easy to connect to your existing system. Color: As Shown Material: plastic Package Contents: 1 * tuya Wifi smart receiver 2 * Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.