The cateye sync combo kit brings two powerful lighting elements to your bicycle with the sync core providing 500 lumens of illumination and the sync kinetic featuring a built in accelerometer to turn on high mode as you decelerate for extra safety. With the sync lighting system you can easily pair up to seven lights and control them remotely with the smartphone app turning them all on and off with one touch. Enjoy maximum visibility and stay safe day or night with this incredibly efficient combo set. Bull the definitive starting point for the cateye sync consumerbull switch both lights on off with the power button of the sync core front lightbull additional lights can be added and fully customised for enhanced dynamic controlled visibility day or night sync coremode output runtimehigh 500 lm 2 hrsmiddle 150 lm 9 hrslow 100 lm 15 hrsdaytime hyperconstant 500 100 lm 18 hrsflashing 100 lm 130 hrscharging time 3 6 hrs usb 2.0weight 94g incl. Flextight bracket sync kineticmode output runtimekinetic 50 lm burst in all modeshigh 40 lm 1.5 hrslow 4 lm 15 hrsflashing 30 lm 50 hrsgroup ride 40 lm 15 hrs low pulserapid 50 lm 20 hrsdaytime hyperflash 50 50 lm 30 hrscharging time 2.5 hrs usb 2.0weight 43g incl. Band genuine innovation from the market leader a smarter solution for all cateye sync is an easier quicker and safer lighting solution for all types of cyclists from commuters to enthusiast riders. Cateye sync offersbull multiple lights in syncbull just one touch syncs allbull smarter visibility day or nightbull all angles coveredbull be seen all round year round road safety researchcateyes utilises data from the institute for traffic accident research and data analysis in japan. This important data is relevant to all modern cities with commuting cyclists across the globe.bull 78% of all fatal accidents occur in the daytime. Bull crossing collisions are most frequent but rear end and left right turn collisions are also common.bull 87% of human factor accidents are caused by a delay in noticing the cyclist. Cateye sync meansbull synchronisedbull customisablebull communicative synchronisedbull cateye sync is an easier quicker and safer lighting solution for many types of cyclists from commuters to enthusiast riders.bull cateye sync means easy on off ndash all lights can be turned on off through one switch on the front light. No separate remote required.bull cateye sync makes you stand out ndash synchronise the flash timing of rear lights for improved visibility to other vehicles on the road day or night. Customisablebull cateye sync is compatible with smartphones using the cateye sync app to set up and monitor up to 7 sync lights.bull exclude modes youre not going to use on the front sync core lightbull synchronise the sync rear lights so that they flash in unison.bull synchronise the sync rear lights to all activate in kinetic mode. Communicativebull the cateye sync app includes battery level information for all sync lights all communicated through the sync core front light switch.bull the sync core monitors power levels and connectivity eliminating any worries over whether your rear lights are still illuminated and synced while riding. No more checking behind you!bull the cateye sync apps ldquofind merdquo mode identifies which rear lights need charging if you are using multiple numbers of the same rear light.