This is the IST Sunny Single High-Powered LED 3 Watt Back-up Torch Dive Features: Burn time 8 hours (approx.) LED life: +10000 hours Colour temp. 5500K Brightness 220 Lumens Max. depth: 60m / 197ft Battery type: 3 C-sized batteries Weight (dry) 380g / 0.83lb (with battery) DIMENSION: 16cm x; 6cm x 5cm (6.2 x; 2.4" x; 2") CE mark approved Handy-sized 3 watt back-up torch with effective illumination. Specially designed switch-lock system prevents accidental activation and double o-ring seal provides extra security against leakage. "