This is the successor model to the AX-820GR. It is a highly visible band that can be worn on the arms or ankles. You can choose between two lighting patterns: steady and flashing. For nighttime walking, jogging, and cycling. ● Brightness (lm): - ● Color: White ● Width (mm): 29 ● Depth (mm): 170 ● Height (mm): 16 ● Light source: Green LED ● Maximum lighting time (h): 100 ● Power supply: Lithium button battery CR2032 x 2 ● Protection rating: IPX4 (drip-proof) ● Power supply: 2 x CR2032 lithium button batteries (built-in for testing) ● Lighting time: 100 hours ● Protection rating: IPX4 (drip-proof) ● Silicone, ABS ● Band ● Test batteries ● Bulbs cannot be replaced. ● Never look directly at the LED.