Higdon Outdoors XS Pulsator Mallard Drake Species Multi Color Built-In Timer The Higdon XS Pulsator has quickly become a staple for serious duck hunters who want to add an impact on their set-up with a one-piece, easy to use unit. Features a built-in digital timer that surges a highly visible spray of water and significant surface water disturbance; bright, high-contrast paint and deep, realistic carving and an internal 12V 3amp li-ion battery and timer that is built within the decoy housing which eliminates a traditional battery box attachment. A single XS Pulsator can fit into most slotted decoy bags for easy transport.