Specification 1. Total Power: 1W 2. LED Power: 1W (Alternative: 3W) 3. Input Volt: 1-9V DC 4. Intensity: 80 ~ 150 LM 5. Light Angle: 110° / 120° / 180° 6. LED Brand: Made-in-China (Alternative: CREE, LUXEON ) 7. LED Color: White, Red, Green, Blue 8. Color Temp: Warm White (Alternative: Pure White, Cool White ) 7. Lamp holder: P13.5 (Alternative: E10, BA9s) 8. Lifespan: > 50000 hrs. This is a premium quality universal 1 Watt CREE XP-G2 LED ideally suited for use in Petzl headtorches. This upgrade is designed for maximum light output to our specification. This LED upgrade is the brightest available replacement for the standard bulb to fit the Petzl head torch that we know of being produced anywhere in Europe rated at 1 watt.