Color custom10000 Brand TENYING Model TY830A Quantity 1 Piece Material FR4 + copper wire coil English Manual / Spec No Other Features Parameters: Transmitter Module Input voltage: 12V Transmitter coil size: diameter 48mm inner diameter 30mm thickness of 0.6mm Receiver module directly connected to four 1W LED Receiver Module size: diameter 48mm inner diameter 30mm thickness of 0.6mm Receiving inductors optimum distance: 50mm The maximum effective distance: 70mm Note: When using not less than 30mm! Otherwise easily damage the receiver LED lights and devices; If the customer does not need distance so far please use the close- range mode Packing List 1 x TX module 1 x RX module