Neulette's are fully adjustable, multi-use designer clamps and waterproof. They feature a high intensity wireless motor with an easy push button control. The silky smooth Satin Finish is waterproof for use everywhere. Clamps measure 2.75" (7 cm.) in length. The clamps are ABS with PU Cote, buttons are TPE, and the screws are made from nylon. Motors require 6 watch batteries (12 included).