... metres3.Transmission Frequency: 433.92MHz, 418MHz, 315MHz4.Max . Loading on socket Unit: 1,000watt/2000 watt5.working environmental temperature: -20°C ... that connection is reliable. 2.The indicating LED of remote socket will be lighting up after successful connection, pls check connection ... to comply with the limits for a CLASS B digital device, pursuant to Part 15 of the FCC Rules. These limits ...