Feature●【RN 800】Before use, please hold the button for 5 Seconds to unlock the bike light. Otherwise the button will flash red and the light will not turn on due to the built-in locking function.●【RN 800】RN 800 can reach a maximum output of 800 Lumens and the max throw to 137 meters with high efficiency LED. It is powered by a rechargeable battery, which can last the max runtime 9 hours for use●【RN 800】Anti-glare light distribution with safe cut-off line can reduce visual distractions for motorists, cyclists or pedestrians in a big deal extent, which could render the more safer riding experience●【RN 400】Olight RN 400 is a bike headlight with a max output of 400 lumens and equipped with a fast-charging USB-C port, supports large current charging, effectively reduced charging time.●【RN 400】Designed with a mount, RN 400 can be tightly installed on the helmet, handlebar, or under the camera. All in one design bike headlight is suitable for urban riding and daily commuting.Description OLIGHT RN 800 Rechargeable Bike Headlights 800 Lumens for Road Urban Cyclists Bundle With OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Bike Front Light