Silicone Switch Buttons and Quality Circuit Board: Circuit board of the truck crane remote control has good safety performance. the remote control adopts dust-proof structure and high-performance metal contact button for durability. Durable silicone wrapped buttons for you to press more comfortable. The overhead crane remote control is equipped with an Emergency Stop Switch on the upper left corner for more convenienceRobust Radio Transmitter and Receiver: The lightweight durable transmitter using ergonomic design,comfortable to hold in hand. The radio transmitter and receiver is made of nylon reinforced fiberglass material, which has strong anti-pressure ability, waterproof, anti-corrosion and insulation.Rugged attachment to the receiver housing to prevent damage from strong impact and frequent drops4 Button Crane Hoist Remote Control with Super Stable Signal&EU Standard Emergency Stop: Control distance of the wireless industrial crane hoist remote control is 100 meters, 360 degree barrier-free remote control, Strong penetration, no need to aim.APPLICATION: Cut Resistant Gloves can be used at work place or in kitchen. The hoist overhead tower crane lift remote control is widely applied for Bridge Crane / Overhead crane / Chain Hoist / Monorails / Concrete Pump Truck / Mobile Lifting / Hoist Lift Winch / Industrial Remote Controllers with hook, MD, double speed electric hoist, single speed vehicleIP65 Class Dust-proof and Waterproof: Our overhead crane remote control launch and receive external rafts fully comply with IP66/NEMA4 international specifications. The radio crane remote controller bridge hoisting transmitter+receiver for bridge crane/overhead crane/chain hoist/monorails/concrete pump truck/mobile truck remote control can also perform excellently in harsh environments such as high oil pollution, high humidity and high dust4-Button 12-24V AC/DC Momentary Remote Control