Ben's Mineral Remote is designed for remote wireless control of hydraulic supports to perform actions. The technical parameters are as follows: Explosion protection type: mine physical safety type Housing protection class: IP68 Working voltage: DC3.7V Working current: 120mA • Battery capacity: 3.7V / 2100mAh Transmission method: Zigbee Maximum transmission distance: 20m Control keyboard: 24 keys Housing material: 304 stainless steel Temperature range: - 40°C - 60°C Charging method: Wireless Charging