The ATV-3 Timer Retro-Fit Kit is a timing control and metering device that is mounted to an aluminum bracket. The ATV-3 Timer Retro-Fit Kit can be attached to our timer plate assembly and integrated into our Model 3300 Coin Box, or used on its own in conjunction with a micro-switch. Available in 115VAC, 12VDC, 24VDC, 24VAC, and 230VAC voltages. Times from .21 to 31.75 minutes. Other longer timer times are available.