Specification BatteriesRequired : 1 Brand : grtowsnu BulletPoint1 : "Mini, lightweight and durable transmitter ":Lightweight and ergonomic designed transmitter with non-slip groove that fits perfectly into your hand. The winch lift dump trailer wireless remote is comfortable to grip and easy to operate. Net weight of transmitter is 145g. The package includes a multifunctional lanyard for you to hang the wireless winch remote or keys. The robust and strong crane radio transmitter and receiver are made of reinforced fiber glass material BulletPoint2 : "Wireless crane remote with more stable signal": Control range of the wireless crane remote is 80 meters. Crane radio remote with fast response and stable signal ensure maximum work efficiency. 360 degree barrier-free signal. Strong penetration, no need to aim."Muti-functional Industrial Wireless Remote Control": Not just for cranes. You could use the wireless chain hoist remote control as a remote momentary switch for anything 12-36V BulletPoint3 : "Quality circuit board, reinforced nylon shell with shock-proof silicone housing": Integrated Circuit board of the 4 Button tow bed truck tail lift remote control has good safety performance. Comfortable touch buttons with metal contacts for you to press more than 2 million times. Advanced microprocessors with 100% accurate hamming code are made for higher security, higher efficiency. Indicators on both of the transmitter and receiver for you to know the battery level and working status BulletPoint4 : "Safer Chain Hoist Crane Remote Control with EU standard Emergency stop": Emergency Stop Switch is located on the remote control for quick and easy access during emergencies BulletPoint5 : Application: Not just for cranes. You could use the wireless chain hoist remote control as a remote momentary switch for anything 12-36V. This universal hoist crane remote control is widely applicable for Winch, Lifting, Chain Hoist, Tow Bed Truck Crane, Dump Trailer, Mobile Truck Crane,Bridge Crane, Gantry crane, Mobile Lifting, and other industrial remote control applications with a hook, MD, or electric hoist ButtonQuantity : 4 Color : 2 transmitters & 1 receiver ControllerType : Button Control ExternallyAssignedProductIdentifier1 : 0687051502860 ExternallyAssignedProductIdentifier2 : 687051502860 IncludedComponents : transmitter, receiver IncludedComponents1 : 1 transmitter and 1 receiver IncludedComponents2 : accessories IncludedComponents3 : User Manual in English ItemName : Mini Wireless Electric Chain Hoist Crane Remote Control 4-Button 12V 24V 36V Industrial Winch Lift Dump Trailer Radio Truck Crane Controller 2 Transmitters and Receiver ItemPackageDimensions_Height : 3.9 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 7.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : hoist-accessories Manufacturer : grtowsnu Material : Momentary system from factory MaximumRange : 100 meters ModelName : A series ModelNumber : Alpha500ZG-4 NumberOfBoxes : 1 NumberOfItems : 100 PackageLevel : unit PartNumber : Alpha500ZG-4 ProductDescription : Parameters Key operation: Momentary Product name: Single speed 2 button remote control Control distance: 80- 100M Protection level: IP65 Power supply: 12-36V AC/DC Operating Frequency: 315MHz The Mushroom Head EMS Rotary Switch and Humanized Structure make the 2-channel remote control comfortable and more convenient to operate. Reinforced Nylon Shell and raised angles make the 2-key transmitter and receiver corrosion-proof. High-performance Metal Contact and Quality Buttons can be uninterruptedly pressed 10 million times. Why our 2-button remote control can be labeled IP65 waterproof and dustproof industrial grade equipment? All-round silicone sealing strip in transmitter and receiver, and one-piece button wrapped holster cover make the IP65 function. The industrial wireless electric winch lift truck crane hoist remote control can also performs excellently in harsh environments such as high oil pollution, high humidity and high dust. ✯We have been always focus on improving the quality in details such as the PCB and copper wires. 1. The remote control has a total of 200 adjustable channels, which completely replaces the traditional single channel of quartz, which is difficult to switch and easily broken. 2. More than 1 million sets of non-repeatable ID codes. 3. Equipped with advanced microprocessors: 100% accurate coding and decoding are made for high security, high efficiency.