The ultimate front and rear light set for road riders and year round use with the added benefit of Link wireless technology to allow both lights to be turned on/ off using just one switch. The MX: Link front light can use used with Garmin, Wahoo and Bryton cycle computers while the 150 lumen Cerberus Link rear light includes multiple fittings to enable use with ISPs, aero seatposts and more.MX: LINK front light SpecificationDual Beam: 1 pc high brightness LED + COB;Max. Lumens: 400LM (FL-1 tested);Max.Runtime: 31 hrs (FL-1 tested);Battery Type: Li-PO built-in;Recharge Time: 2:45 hrs;2.4 Ghz wireless connection;Size (W x D x H): 42 x 24 x 69mm;Weight: 100g; FeaturesBoost mode, 2 steady modes, 4 flashing modes;CNC Aluminium heat sink light cap;LINK wireless connection function;Mode memory function;Day flash mode;Garmin / Wahoo / Bryton computer insert;Low battery,charging and fully charged indicator;Automatic fully charged cut-off system;High precision optical lens;Side visibility;Water resistant (IPX 7); Cerberus Link rear light Specification3 pcs Directions COB LED;Max. Lumens: 150LM (FL-1 tested);Max.Runtime: 140 hrs (FL-1 tested);Battery Type : LI-PO;Recharge Time: 2hrs;2.4 Ghz wireless connection;Size (W X D x H):  27 x 31 x 68 mm;Weight: 35g; Features2 steady modes, 2 flash modes, Day flash mode;LINK wireless connection function;Auto Safe Mode;Light Mode Memory;Lock Mode;Variable Lumen System;Low battery, charging and fully charged indicator;Automatic fully charged cut-off system;USB-C Type Cable;3 side visibility;Water Proof at IPX 7;