This wireless receiver is used to DMX stage light. It supports 1000m ultra long distance transmission. With it, you can control stage light in wireless way. Features: 23DBM high power, 1000m ultra long distance wireless transmission. No time delay when signal data is receivered, signal data is real time and reliably. This product adopts a 2.4G ISM frequency section. High effective GFSK modulate, communication design; 126 channels jumping frequency automatically, high anti-jamming ability. 126 channels jumping frequency automatically, high anti-jamming ability, to ensure works reliability. 7 groups ID code settable, user can use 7 groups individual wireless net without any interfere each other in the same place. (Tricolor LED displaying Indicators) Specifications: Interface: RS485 Maximum transmission power: 23DBM Transmission distance: 1000m / 3280ft Modulation mode: GFSK Working frequency range: 2.400-2.4835GHz, ISM, 126 Sensitivity: -94dBm Power adapter: US standard, EU standard, UK standard, AU standard (optional) Material: Stainless steel Item size: 1.8 * 14cm / 0.7 * 5.5in(D * H) Item weight: 76g / 2.7oz Package size: 15.5 * 11 * 5.5cm / 6.1 * 4.3 * 2.2in (L * W * H) Total weight: 207g / 7.3oz Package list: 1 * DMX receiver 1 * Power adapter 1 * User manual (English)