LED tricolor indicator.126 channels of frequency jump automatically.7 groups of identification code are determined.Small size, access accordingly for internal lighting.With a small size, ID code groups and 126 channels, it is easy to use and helps you maintain sexual partsColor: As shownInput Voltage: 5V DC 500mA MINDistance of communication: 400M (visible distance)Working frequency range: 2.4 G ISMMax carrying electric rate: 20 dBmPrivate Receiver: -94dBmSignal: the 3-pin femaleMaterial: CopperJoint Module Size: 7 * 1.8cm / 2.75 * 0.7 in (L * A)Product Weight: 21g / 0.74ozPackage List:1 * PCB Module1 * AntennaNote: Light 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.