high performance on the go - cordless screwdriver with a 4v, 1500mah usb rechargeable lithium-ion battery and up to 60 minutes of battery life. maximum torque of 4nm, 6+1 positions and a maximum speed of 200 rpm. ergonomic and compact design - ergonomic handle provides easy grip, very comfortable to touch and convenient to use. its rotating head with two working positions, 90deg and horizontal, allows you to work near corners or in tight spaces. built-in flashlight and light: use them in low-light areas and get very accurate results.