Introducing the PowerTac E3 – your ultimate everyday carrying key chain light. With a compact size and an impressive 168-lumen maximum light output powered by a single AAA battery (not included), the E3 ensures portability without compromising brightness. Featuring an easy-to-use interface with three brightness levels plus strobe, this key chain light is versatile in various situations. Outputting an amazing 168 lumens on high and 50 lumens on low, it's ideal for low-light scenarios with an extended runtime. Its durability, shock resistance, and rugged build quality make the PowerTac E3 your go-to key chain light for all your adventures.