*****Description:***** 1 Speed6 Channels Control Hoist Crane Remote Control System 2 Transmitters 1 receiver (UP/DOWN/START/STOP/WEST/EAST) Power Source of Controller:2x1 AA/AAA Batteries *Power Source of Receiver:12V/24V/36V/48V/110V/220V/380V/415V,Please tell us if you want others voltages,or we're able to send you the default voltage in name *Firm and Durable *Working Distance up to 150m *Working Temperature:-30°C~+85°C *Receiving Sensitivity:115dBm *Protection Grade:IP65 *Non-repeating code as much as 4 billion units Application area: Crane/Conveyer/CNC/Coal Digging Machinery/Generator Startup/Concrete Pump/Grab Bucket/Other Machinery Characteristics: *Tiny length very light weight *Anti-interference *Long pure lifestyles *Long operation distance as much as 150M *300 installations in single subject *****Shipping:***** Ship to USA: 7-15 business days Ship to diversified international locations : 10-25 enterprise days