Specifications:10.8V, 12V power tool speed control switch, switch model EGB-1115A, 15A, the quality of the switch is very good, many electric screwdriver are used in similar styles, DIY modification maintenance on the value, speed control switch rated voltage range 9-13V work, measured overpressure to 21V or can work, overpressure test for reference only, durability unknown, Indicator small board with power two-color high and low power indicator, and left and right direction indicator speed will have light and dark changes, the top of the large motherboard also with lighting LED lights.The switch work is very good, the power tube uses the patch double 70A30V tube, the board also has the temperature detection line, the switch press type stepless speed regulation, support positive and negative switching, and with 5.5 charging jack, do not need to be removed.The switch weighs about 45 grams.