SEAC Q3 Diving Light 3 LEDs of the new generation, equal to an intensity of 300 Lumen Type of batteries: 1, 5 AA /R6 alkaline or 1,2 V same size recharrgeable Autonomy: 9 hours Maximum depth: 100 m Diameter/length:  45/ lunghezza 155 mm . Weight: 147 g with batteries On-off switch: mechanical on-off switch Seal: double O-Ring radial seal Glass: clear Policabonate