4746730769874944 Luen Hing Electrical(HK)Limited (Demo)ProJect Receiver Box -Good sound from sound technology - Metal case shields the electronics from vibrational and electromagnetic interference - Bi - Phase PWM - circuit ( Pulse Wid Product #: luenhingelectricalhk-(Demo)ProJect Receiver Box 2022-10-20 Regular price: $HKD$1980.0 Available from: Luen Hing Electrical(HK)LimitedIn stock