Work smarter,faster and better, It features high performance and high reliability. SIMPLE TO USE At just 1.04lbs, the hedge cutter electric features an effortless one-handed operation. The easy to use and comfortable handheld grip create added convenience. RECHARGEABLE Long-life, rechargeable 7.2 V lithium-ion battery for hassle-free, cordless operation (battery charger included). The trimmer can be operated for approx 40 minutes with full charge and the lawn mower is approx 50 minutes, with a charging time of approx 3-5 hours for a full charge. Note: After using the blade, it needs to be cleaned in time and kept dry during storage. Ensure that the blade has a longer life! FIRST STEP TO CHANGE BLADES Turn the unit upside and down in one hand and push the blade cover gently by the other hand. then slide the blade cover like the photo. SECOND STEP TO CHANGE BLADES Remove the blade gently by lifting the end tip of the blade off of the grass shear +hedge trimmer unit THIRD STEP TO CHANGE BLADES Align the gear shaft in the middle of the blade with the gear in the middle of the unit. So that the blade lays flat against the housing for a secure fit FORTH STEP TO CHANGE BLADES Push forward on the blade cover until it slides and clicks into place FUNCTION DISPLAY SECURITY KEY Security key - Extremely safe When you are not using the machine, please pull out the safety key, so as to ensure the safety of you and your family (especially children). Make sure the security key is properly plugged into the machine body before ready to use the machine. SAFETY LOCK Safety lock - Convenient safe Use your thumb to hold the safety lock on either side of the machine before pressing the on/off switch. You can release the safety lock after starting machine, just press and hold the switch. Under the condition of ensuring safety, open it anytime as you need, rest assured comfortable. Double lock design of child safety lock and security key forms a double security protection. Whether working or not, the machine can maintain a safe state for children and adults. CHARGER LED-INDICATER CHARGING SOCKET LED lights - Prompt the working status and charging status: Charging: The LED light which close to the charging socket will illuminate red when charging. The other two LED lights won't illuminate while charging. Low Charge: Same as above, but the color of the light is red. Working/Fully Charged: All three LED green while fully charged. The compact design of WORKPRO cordless grass cutter ensures that it can fit into a variety of small Spaces. Best Use - small gardens, hedge grooming, and areas your mower cannot reach giving. The hedge trim blades - best suitable for less than 10mm thickness branches. RETURN AVAILABLE IF THE PRODUCT DOES NOT WORK, OR IF IT IS DAMAGED. (Return shipping cost is paid by the buyer)