Multifunctional lithium electric drillGrinding / Polishing / Drilling / Cutting / Engraving Upgraded new features:1. The design is more refined and beautiful2. Built-in light, the brightne is more concentrated and clearer.3. Steple speed regulation.4. Increase the hook, more convenient to carry5. The charger is upgraded, the charging speed is faster Upgrade parameters:Speed: 0-20000r/minSpeed regulation: steple speed regulationVoltage: 12VPower: 80WColor: redLight: with light Lithium battery, safe chargingStandard 1500mAh/ 12V lithium battery Seventh gear, speed regulation1-7 speed control switch, steple speed control LEDlighting designHumanized design Metal collet for firm gripThe electric drill chuck has strong versatility, stable clamping and durability. It can quickly replace the drill bit/grinding bit to meet different needs Wide range of usesGrinding Polishing Drilling Cutting Engraving Installation method: 1.Hold down the spindle lock and unscrew the chuck nut 2.Loosen the chuck and adjust the appropriate size 3.Then insert the drill or grinding head that needs to be installed 4.Hold down the spindle lock and tighten the chuck nut Package options: There are 4 packages available in the link. Different packages have different acceories. Please check the package pictures before purchasing. Set 1 Set 2 Set 3 Set 4 Upgrade Set 5 Upgrade Set 6 Upgrade Set 7 Upgrade Set 8