SPECIFICATIONS Temperature range :: -40℃~+85℃ Switch Type: Remote Control Remote Distance: 100 Meters Receiver sensitivity :: -110dBm Receiver power supply optional :: AC380V ; AC220V ; 36V ; 24V ; 12V Receive Range :: 100 meters Protection level :: IP65 Origin: CN(Origin) Model Number: F23-BB S Material :: Glass-Fiber PA Item Type: Switches Is Smart Device: No Frequency range :: 50-60HZ Certification: ce Brand Name: EARU Features: 10 functional buttons (10 Single speed buttons +1 Start button +1 Stop button); 2, Control points up to 12; 3, Safety key switch, prevent unauthorized use; 4, Can be connected with the computer through the data line to set the key function mode; 5, Battery voltage warning device, insufficient voltage automatically off the power supply. Crane Remote Control Technical Parameters: Transmitter Parameters : F23-BB Material: Glass-Fiber PA Protection level: IP65 Frequency range: 50-60HZ Receive Range: 100 meters Receiver sensitivity: -110dBm Safety code: More than 4.3 billion codes No common Temperature range: -40℃~+85℃ Receiver power supply optional: 380V ; 220V ; 36V ; 24V ; 12V Note: When you place the 12v/24v/36v,we may will send you ACDC12-72V type . Because the security check forbids the battery,The package does not contain batteries!!!