Package Include:1x carcharger for surface book. Length: about 1.6m. Weight: about 0.067kg. Standard magnetic absorption interface. IC chip offers short circuit protection and overload protection. High stability and efficiency. Protect your tablet effectively. Please do not put the charger in high temperature or damp area. Attention: Charger for surface Book ONLY!!! Please DO NOT charge surface pro3 or suface pro4 by using this charger.