A professional, excellent remote control for crane/hoist/trolley Feature:1.Modular design allows for easy upgrade to different models, unnecessary prime cost be reduced.2.European standard switches inside, high sensitivity, long life with gold-plated connectors.3.Anti-water/shock/dust PC case, suitable for the worst environment with international standard EMS button on the top.4.Internal antenna design both in transmitter & receiver, avoid the possibility of brake.Specification:C1-4PBSPECIFICATION:Transmitter: 4point single control, monorail hoist usedDimension:190*70*50mmWeight:485gWaterproof grade: IP65Receiver: BOX1.1Dimension: 204*121*65mmWeight:860gWaterproof grade: IP65