Model NO.:F21-2D Material:Glass-Fiber PA Battery Type:AA Battery Product Name:F21-2D Industrial Remote Control Enclosure Protection Class:IP65 Frequency Range:VHF: 310-331MHz; UHF: 425-446MHz Receiver Sensitivity:-110dBm Receiver Power Supply:18~65V AC/DC; 65~440V AC/DC (Optional) Safety Code:32 Bits (4.3billion) Temperature Range:-40ºC-+85ºC Output Contactor Capacity:8A Sealed Relay Output (with AC 250V/10A Relays, 1 Cable Length:1.65m (Other Length Can Be Customized) Control Distance:100meter Speed Type:Single/Double Keyword:Chain Hoist Use Remote Control Frequency:310MHz/446MHz Button:2 Buttons Usage:Used for Controlling Tower Crane, Concrete Pumps.. Transport Package:Standard Export Packing Specification:F21-2D Trademark:VOHOBOO Origin:Hubei, China HS Code:85269200 Production Capacity:5000sets Per Month