Feature:  -Automatic refueling, with protective cover.  -Ergonomic handle which is very convenient and safer for carrying.  -Its input power depends on your own angle grinder, so it is not a certain number.  -Safety of sawing, effectively improve the efficiency of your work.  -The chain interval with the counter-attack shrapnel, guide oil hole, make to use more secure.  -The saw chains has been hardening, temper and anneal.It is durable than normal saw chains.     Specification:  Compatible Battery: Fit for Makita18V battery;  Material: ABS;  Chain Material: High Carbon Steel;  Color: Gray/ Red/ Blue/ Green;  Power: 3000W;  Rotating Speed: 10000RPM;  Power Source: Li-ion Battery(Optional);  Chainsaw Guide Size: Approx. 8 inch;  Battery Capacity: 388VF;  Applicable scenarios: Orchard/ Bamboo cutting/ Pruning/ Firewood cutting.     Package included - Without Battery Type:  1x Chain Saw Body (Color optional);  1x Chain;  1x Chain guide;  1x Screwdriver;  1x Wrench;  1x Protective Cover;  Some Accessories.     Package included - With Battery Type:  1x Chain Saw Body (Color optional);  1x Chain;  1x Chain guide;  1x Screwdriver;  1x Wrench;  1x/2x Battery(Optional);  1 x Charger;  1x Protective Cover;  Some Accessories;  Note：Do not use batteries with a voltage lower than 18V, otherwise, it may not working