The diablo sync gives you the widespread high powered beam now at 2100 lumens of a diablo with sync bluetooth connectivity for wireless mode changing and customisable runtimes via a smart phone and an updated app so you get exactly what you need to keep you riding on the edge. In the boxdiablo sync mk5 3400 mah support cell handlebar bracket helmet mount lanyard bt remote switch fast charger usb charge cable qs guide black specification srp 355 output 2100 lumens weight 120grams burntime min 0.75 hr max 24 hrs x2 with support cell battery capacity 3500 mah li ion 3400 mah support cell dimensions mm length 115 head 41 back 33 led's 3 xpl2w3 hours runtime 0.75 24 hours lumens measured output 2100 grams weight 120g leds 3 x white xpl2w3 ip rating ip65 max lumens 2100 battery 3500 mah li ion 3400 mah support cell runtime 0.75 24 hours charging time 4 hours weight 120g material anodised 6063 aluminium length 115mm head diameter 41mm in the box diablo sync mk5 sync remote helmet mount qr handlebar mount lanyard smart charger qs guide. 3 year warranty on all of our lights and the leds inside are covered by a lifetime guarantee! Ensuring peace of mind with every purchase. Our lights are designed to last a lifetime so we carry out servicing and repairs on lights well beyond the warranty period