Stud50 Strap | BLS-230 - Output / Runtime: 200 Lumen/50 Lux (3h), 50 Lumen/13 Lux (10h), Flash (30h) - Safety: Runtime safety mode + 2h - Beam distance: 175 Meter - Light Type: OSRAM LED - Battery: USB rechargeable Lithium Polymer, 2500mAh - Charge / time port: 3:00 hours (2A) / Micro USB - Modes steady: High, Standard, Low (saves last mode) - Modes flash: Flash, double-click (saves last mode) - Weight: 106 grams - Fixation: Strap mount - Water resistant: IPX5 SlideRear | BLS-236 - Output / Runtime: 16 Lumen (5:00h), 4 Lumen (16:00h), Flash (48h) - Safety: Runtime safety mode + 3h - Light Type: 4 LED’s - Battery: USB rechargeable Lithium Polymer 500mAh - Charge time / port: 1:00 hours (2A), Micro USB - Modes steady: Low, High (saves last mode) - Modes flash: Flash, Day Flash, Steadyflash (saves last mode) - Weight: 23 grams - Fixation: Strap mount and clip everywhere - Water resistand: IPX4