Headlamp YKS Adjustable Beam Focus LED Headlamp with 4 Modes and 300lm Lamp Bulb Super Bright: 300lm, as bright as a spotlight 4 Modes: Bright, low, emergency flashing and SOS (hold) Adjustable Beam Focus: Pull out the lamp cap to focus the beam Ultralight: 2.6oz only, comfortable when wearing WARRANTY: 12 months from the date of purchase