Wireless On Off Switch Remote Controlled with Green Laser 2.0Wireless remote controlled on and off switch. Turns on any laser or torch device wirelessly with the push of a button. The kit includes a tape switch (also known as a pressure switch) you will also need a R2530 ring rail to make the laser quick release). Includes: 1 x Remote control (battery included) 1x Green Laser Pointer 1 x Module 1 x 9V battery wired up (removable for when the battery dies) (Note: do not leave the battery connected when not in