TELESIN Dual Battery Charger USB Double Charger for Wifi Remote Control for Gopro Hero 4Features:Multi-functional----Unique design! Charge two batteries and a remote control at once.Premium Japanese A Grade cells for longer battery life with no memory effectCharging for AHDBT-401 Battery & Remoter、 compatible with AHDBT-401Fit for the HERO4 models;Includes 3-Channel charger and two batteriesMulti-functional charging with 2 batteries and a wifi remote control at the same time.Unique design! led light on the logo、 beautiful and soft light makes you visible even at night.Smart LED light indicated RED when charging and GREEN when complete.Specification:Product Dimensions: approx. 5.1 x 2.8 x 1.2 inchItem Weight: approx. 3.8 ouncesFit for GoProPackage Included: 1 x TELESIN Dual Battery Charger (not include batteries)1 x USB CableDetail Pictures: