【Low Voltage Protection】—— Equipped with overload, overcurrent, overheating, and low voltage protection this product is designed to ensure that the battery tools stops working when the voltage drops below 20V.and use it with confidence to avoid overdischarge of the battery and damage battery. 【48 LED BEADS TECHNOLOGY】——30W 2250LM for m18 light work light has 120-160°beam angle design and Led lens to enhance the illumination for larger area coverage with two levels of adjustable brightness to help you save energy better. 【Waterproof and Durable】—— Waterproof in daily life, say goodbye to rain, can be used safely for outdoor activities such as camping, hiking, fishing, and hunting.The back is carefully designed with an aluminum alloy shell, which is impact-resistant and corrosion-resistant,.