Product Description 72V Intelligent Lithium Battery Profiling Grinding Machine *The depth of the feed, the real-time battery power digital display, the operator is clear at a glance *Dual control system, both electronic feed and mechanical operation feed *Electronic feed, the feed precision is adjustable, realize the dual purpose of primary grinding and precise grinding *Preset the warning feed depth for grinding to prevent excessive grinding and cause grinding accidents *Super endurance capability, can work continuously for 1 hour *The whole machine is waterproof and can be used below minus 30