Check the listing for details. Crane Single Step Industrial Wireless Radio Controller Remote Control Safety Key. Condition: New. Listed at 244.39 USD. Crane Single Step Industrial Wireless Radio Controller Remote Control Safety Key Parameters Transmitter Number of function buttons 6 x one-step buttons (Up/ Down, East/ West, South/ North) Other buttons 1 x STOP impact switch, 1 x Start button, 1*key Material Glass-Fiber PA Dimension 156*61*51mm (6.1*2.4*2.0 in.) Weight 255G (without batteries) Protection Class IP65 Frequency range VHF: 310~331MHz; UHF: 425~446MHz Transmitter power Less than or equal to 10dBm Safety code 32bits (4.3 billion) Temperature range -40~85 degrees Celsius (-40~185 degrees Fahrenheit) Control distance Approx100m (200 meters is customized) Receiver Receiver power supply 18-65V AC/DC、 AC/DC 65V-440V Material Glass-Fiber PA Dimension 210*162*107mm (8.3*6.4*4.2 in.) Weight 1220G Protection Class IP65 Temperature range -40~85 degrees Celsius (-40~185 degrees Fahrenheit) Frequency range VHF: 310~331MHz; UHF: 425~446MHz Receiver sensitivity -110dBm Cable length 1.5 meters Safety code 32 bits (4.3 billion) Control distance Approx100m (200 meters is customized) Features Up/down, East/ West, South/ North can be programmed to interlock or non-interlock. Transmitter and receiver labels use laser engraving technology. Waterproof, wear-resistant, clear writing, avoiding the important information is missing in harsh environments as codes and other issues. To provide more superior service for future use. Special button materials and high-quality switches More safe and humane key switch Power supply alarm indicator Application Bridge Crane / Overhead crane / Chain Hoist / Monorails / Concrete Pump Truck / Mobile Lifting / Tower Crane Note The LED on the front of the transmitter indicates the condition of the batteries. It will flash green during operation if the battery power is sufficient and will flash red if the battery power is low. If the LED is flashing red, or if the operation becomes erratic, or will only work from a short distance, replace both batteries with new AA alkaline batteries. Package Listing 1PC* Transmitter or 2PCS* Transmitters 1PC* Receiver 1PC* Dust bag On Apr 18, 2023 at 02:56:36 PDT, seller added the following information: