I purchased this about three years ago and stored it after using it a few times, so I'm putting it up for sale. There are some scratches here and there, but it works without any problems. The following is quoted from the official CatEye website: Size: 119.3 x 56.0 x 47.3 mm Weight: 256.3g (body and rechargeable battery only) Light source: 2 LEDs Battery: Li-ion 3.6V 6800mAh Runtime: Constant (High): Approx. 2 hours Constant (Middle): Approx. 5 hours Constant (Low): Approx. 15 hours Daytime Hyper Constant: Approx. 12 hours Flashing: Approx. 150 hours Standard charging time: Approx. 5.5 hours to 15 hours Recharge cycles: Standard 300 times (until capacity drops to 70% of rated capacity) Water resistance: IPX4