Distance: 30-50 meters. Very mini size: 5.5cm x 4.5cm x 1.0cm. One receiver can work with 400 codes. It does not interfere with other remotes and receivers. Selector: With 8 dip switches, users can make different combinations for different remotes. Power Input Selector: This receiver can work at 9V~30V. However, it is recommended to adjust the PIS according to the power input. If the input is greater than 24V, short pin 2; short pins 1 & 2 if input is less than 24V. Name: Universal receiver SMG-662. Operating Voltage: 9V-30V Channel: 2 Frequency: 300MHz-868MHz Uses: Receiver is designed to control gate automation systems, burglar alarm systems, electric doors, lifting equipment, gateways, and lifting devices. This is an easy-to-use, low-power-consumption device that is simple to connect to your existing system. Code: Rolling code, Fixed code, and Learning code. Can identify all Fixed codes (2262, 2260, 2264, 5326, M1E, M5E, etc.), all Learning codes (1527, 2240, 6P20B, 6P20D, etc.), and Rolling codes (HCS301, HCS300, HCS200, HCS201, HCS100, HCS101). Compatible with: All 433.92MHz fixed code remotes. ADYX CHAMBERLIN Clem11 Mastercode 433.92MHz ERREKA 433.92MHz 433.92MHz, 868.3MHz Rolling code 433.92MHz and 868MHz, 310MHz, 390MHz, 433.92MHz, 315MHz Berner 868MHz 433MHz and 315MHz, VDS, PNC, FORSA, ALMA, 868MHz, SOMMER 868.8MHz And many other major brands on the market. Color: White Material: ABS Package Contents: 1 x Receiver 1 x Small Antenna 1 x English Manual 2 x Remote Controls Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm.