Mini Wireless Electric Engraving Pen Portable Nail Polisher Grinder Drill Machine with 5 Grinding Heads

Feature: 1. Durable and reliable - Small size, light weight, easy to carry, comfortable grip, better control when drilling, easy to use. 3. Complete accessories, everything is ready. 4. Perfect Grinder - The perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. Grinder engraving kits are required for DIY engraving and grinding. 5. Suitable for jade agate, nuclear carving, wood carving, aluminum plate, thin copper plate, plastic plate, particle board, printed circuit board, epoxy resin board Description: Material: aluminum alloy Color: red, white, black, gold, purple Spring collet diameter: 2.15-3.2mm Rated power input: 20W No-load speed: 15,000 rpm Free time: 2 hours Polishing working time: 1.5 hours Output voltage: 3.7V 500mA Input voltage: AC 100-240V Size:27x190mm/1x7.5" Package weight: 370g Package Included: 1 x Mini Electric Drill 1 x Charger 3 x Chucks (2.3/3/3.15mm) 3 x Grinding wheel grinding heads 2 x Diamond grinding heads 1 x Wrench 1 x Battery 1 x Storage box