Technical specifications:Power supply: 2 * AAA batteryPair: 0.2-2N / mSpeed: 160R / min (unadjustable)Dimensions: 16X175mm / 0.63X6.89inch (D * L)Net weight: 210 g 1 newly designed screwdriver2 Thin body in aluminum alloy with pen-shaped design, compact size and portableThe guide to 3 AAA batteries can work 8 hours continuously4 The automatic and manual operation design with maximum torque of 0.12 / 3N.m ensures high operational efficiency5 Choose carefully the 18-piece S2 steel screwdriver bits compatible with most electroinc devices, verifying the different needs of customers6 A great help for your daily repair projects, such as smartphones, cameras, RC drones, laptops7 Type of screwdriver: PH000, PH0, PH2, SL1.0, SL2.0, SL3.0, T5, T6, T8, P2, P5, P6, H2.5, H3, SQ0, Y2.5, U3.0, triangle 3.08Bit Mateiral: S2 Alloy SteelBrand: BESTModel number: BST-9911BPower supply: 7 # Dry battery / AAA batteryType: cordless screwdriver, power screwdriverRated voltage: 3.7VFrequency: N / ANominal input power: N / AMax. Torque: 0.3-2N / mUnloaded speed: 160 rpmDimensions: 243 mm * 75 mm * 42 mmWeight: 210gApplication: mobile phone, laptop, computer, home appliance repairUse: lock the screws automaticallyFeature: high speedBattery: replaceable dry batteryWorking time: 8 hours