DURABLE - With thickened tempered glass and a hard-anodized finish, the DL30 has an IP68 waterproof rating and impact resistance of up to 1 meter. POWERFUL DIVING LIGHT - The DL30 can shine up to 1100 lumens and has a throw of up to 861 yards- all while being able to be submerged up to 109 yards. TWO LIGHTING MODES - The DL30 features a lighting mode with 4 brightness settings and a flashing mode that features 5 different flashing outputs of different frequencies. RECHARGEABLE - The DL30 features a USB-C rechargeable battery that can provide a runtime of up to 6 hours on the DL30s lowest brightness setting. A power indicator lets you know when its time to recharge.