Feature:

• 21V Motor, High Efficiency: Built-in pure copper motor, 550W strong power, fast cutting, lower machine noise, optimizes battery energy use.This electric saw is very suitable for wood cutting, frestry harvesting,tree pruning , gardening, a great helper for any gardening job.
• Super Sharp Chain: Fine quality guide plate chain, deep quenching, more wear-resistant, smooth cutting.
• Stepless Speed : Variable speed trigger adjust speed by the amount of trigger depression to provides superior efficiency and control cutting speed .
• Security Lock Design: The trigger lock helps to prevent accidental start-ups.
• Cordless, One-hand Control: Humanized handle shape makes it easier to grasp.Lightweight design, the body and battery total 2.46lbs(1.12kg) and has a heigth of 13.39inches (34cm),which can be held for a long time without tiring hands.
• Strong and Sturdy: The special guide plate and tungsten steel ball do not require any lubricated, which reduces the machine's operating assistance and provides the machine a longer service life.
• 2X Lithium-Ion Batteries: It is equipped with 2X 7500mAh Li-Ion batteries, which can endurance for 40-60mins(each battery), can be replaced to provide longer working time,and the charging time is 3-5 hours.The upgraded Li-Ion battery has good conductivity, less loss, and longer service life. 
• Overheat Protection: Long-term continuous work might trigger overheated motor protection. Please wait for the motor temperature to drop before continuing to use it to protect the service life of the chainsaw.
• Easy to Install and Operate: Just take few steps to finish the installation. Firstly, install the chain into the plate, then put the guide plate into the chainsaw, and then tighten the cover with a wrench to complete the installation.

Specifications:

• Brand: Ziss
• Voltage: 21V
• Bar Length: 4" 
• Power: 550 W
• Chain Links: 14
• Chain Speed: 5 M/S 
• Maximum Cut Diameter: 4"
• Batteries: 2x 7500mAh Batteries
• Endurance Time: 40-60mis
• Charging Time: 3-5 hrs
• Charger Voltage: 110-240V, 50/60Hz
• Noise Level: 70 dB
• Material: ABS+Metal
• Size:4.5" x 2.95" x 13.39"
• Item Weight(with Battery): 2.46 lbs

Package Included: