1. Distance: 30-50 meters. Very mini size: 5.5cm x 4.5cm x 1.0cm. 2. One receiver can work with 400 codes. 3. It don't interference other remotes and receivers. 4. Brand selector: With 8 dip switches user can make different combination for different remote brands. 5. Power Input Selector: This receiver can work at AC/DC 9V~30V. However, it's better to change the PIS according to the power input. If the input is great than 24V, shorten pin 2&3; shorten 1&2 if input less than 24V. Name: Universal receiver SMG-662. Operating Voltage: 9V-30V Channel: 2. Frequency: 300MHz-868MHz Uses: Receiver is designed to control any gate automation system, burglar alarm system, electric doors, windows, 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. Code: Rolling and Fixed code & Learning code. Can identify ALL Fixed code (2262, 2260, 2264, 5326, M1E, M5E and so on). All Learning code (1527, 2240, 6P20B, 6P20D and so on), Rolling code (HCS301, HCS300,HCS200, HCS201, HCS100, HCS101) Compatible brands: All 433.92mhz fixed code remotes. APRIMATIC,ATA,ADYX,ALLMATIC,AVIDSEN, BENINCA,CARDIN,CHAMBERLIN, Clem11. Mastercode SEAV 433.92mhz, DOORHAN,DEA,DUCATI,ERREKA 433.92MHZ, MARANTEC 433.92mhz 868.3mhz, rolling code 433.92mhz and 868mhz, liftmaster 310, 390, 433.92mhz, 315mhz, Hormann and Marantec, Berner 868mhz, Prastel, DITEC 433 and 315mhz,VDS, PNC, FORSA, ALMA, ROPER 868MHZ,SOMMER 868.8MHZ... and many other main brands in the market. color:White Material:ABS Package Contents: 2 x Receiver 2 x Small Antenna 2 x English Manual 4 x 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.