Optex TD-20U Indoor/Outdoor Wireless Infrared Transmitter

This product works properly and is exactly as described

I use a number of these around the outside of my house to sense motion. They are powered by a 9 volt battery, which typically lasts from 9-12 months. I mount the TD-20U low to the ground on a plastic stake and use camouflage tape on them to hide them. I link them to an Optex RC-20U, and use it’s contact closure to feed an X10 Powerflash Interface, which is used in an ISY994i program. My floodlights and coach lights are on Insteon switches, and after dark when any motion is detected by an Optex RC-20U all these lights turn on. The sensors detect when deer, skunks or armadillos are in the yard. I also have one sensor pointed up the driveway, so if I return home after dark the whole exterior of my house is lit up. The Optex TD-20U also saved me from a possible home invasion. I have video surveillance cameras around the outside of my house, and they recorded the incident. At 1:55 AM, in July of 2019, a silver Impala drove into my driveway, and positioned the car next to my house. There were multiple men in this car, and their car windows were down. Within a few seconds of them passing the Optex sensor all my outside lights turned on. They were pretty well lit up. My cameras record video and audio. On the video one of the guys in the car said, “Hey, the lights came on”. The driver of that vehicle put it in reverse, and got out of there pretty quickly. Quite possibly the lights coming on saved the lives of my wife and I. I have found these to be a very good product. I expect to always use these to guard my property.

Easy to install, works great.

PERFECT FOR MY DRIVE-THRU RESTAURANT. DURABLE. THE FIRST ONE I BOUGHT LASTED 15 YEARS, I HAD TO REPLACE IT WITH ANOTHER SIMILAR ONE BECAUSE THE HINGE WAS BROKEN ON THE OLD ONE. RECOMMEND IT.

I have a 200 ft drive way I put 1 at the end and 1 close to home that way I can which way a car is going They work very well. Although I found to put a cover over the top.