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.Specifications:Multi-function & single speed used Transmitter:Dimension: 290*70*50mmWeight:650gWaterproof grade:IP65Receiver:BOX.2Dimension:260*200*95Weight:1425gWaterproof grade: IP67