TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use

This product it’s very good and effective to security the gate, I used this in all my installations and very happy with this product

Well this stupid TRF3 safety reflective hate opener when wired up as pert topensanuals works the wrong way round with beam aligned won't open or close break the beam & it will let you open & close. Burnt out my gates main board. Gate wouldn't stop hit the stopper & burnt their board, Topens reached out to me & sent me another one free of charge. I fitted it & wired it up & it is working like it should. I have changed my rating to 5 star would give them 10 if was possible. Chelsey from Topens customer service was fantastic & delt with the issue very professionally. They certainly stand by their product & warranty I would highly recommend their products.

The install was very simple and the product worked as designed.. Lining up the reflector was challenging because it is not visible light beam. Also is only active while gate is active. I held reflector close to source and slowly backed away keeping beam aligned. Also had remote in my hand to operate gate.

After the first heavy rain, the thing was partially filled with water! Caused the motor to stop working and a callback to a job that I recently finished. P.O.S.

The motion sensor light took a few tries to install, but it now works perfectly. Jessica (and the rest of the customer service team) was helpful in responding immediately with some tips and instructions to get it to work. I needed an electrician to help me install, but I'm very happy we now have this safety feature on our gate. So far so good! And MUCH less expensive than having a company come to install the system.

things to know, were not even mentioned in the instructions. number 1 is how to adjust the beam with the three tiny screws on the spring loaded printed wiring board, number 2 is that the spring strength varies markedly between units, number 3 is that the beam projection can be most easily seen at dusk to significantly aid in aligning the reflector disk. number 4, the description should have made clear that no wires are included which I had to pay extra for and delayed the installation. number 5, the toll free support number is worthless since you can’t directly speak to anyone, number 6, and most importantly, the design should have allowed for tuning in the beam direction AFTER the plastic lens is secured. It is a real pain to iteratively adjust the beam direction since is easily deflected off the mark during the plastic lens install.

I installed this with a Topens CK700 sliding gate opener and it works as expected. The wiring instructions weren't great but if you keep in mind it's just a SPDT switch than you could figure it out (I attached two photos of my wiring for reference). I placed the sensor on my gate post and the reflector on the other side of my driveway 15' away. It works as expected and reverse my gate as soon as anything moved across the sensor. You do have to provide your own wiring. I had a 20AWG 3 lead consolidated wire from a previous project that worked great. It's easier to set up than the cheaper two piece sensors and I consider this a safety requirement for any type of automated door.

Very convenient and helpful solution to obstacle avoidance for a sliding electronic gate! Quick to install with an eagle automated door opener. Do the alignment with the reflector in late evening or night as the beam is clearly visible. Wiring instructions from Topen that come with the product are clear, but to understand how to wire it with the gate opener, I had to connect with their tech support, who were extremely responsive and explained how to connect NO #4 output from this to reverse loop global input on the board and how to setup the pins. Tech support 5 stars here are for Eagle tech support. But overall, combined result was a very smooth, and uneventful installation that resulted in the exact functionality that was desired!

compre estos sensores para tener todo de la marca topens pero fallan mucho cuando les da la luz del sol, en hora en el que el sol esta bajo funcionan perfectamente pero cuando esta alto se la pasan activándose y no dejan que la reja cierre. tengo dos instalaciones distintas y en las dos falla incluso compre nuevos sensores pensando que podrían estar defectuosos pero aun así siguen fallando.

Works exactly as described and very easy to install.

TOPENS was an absolute pleasure to work with. Their team responded quickly with helpful answers throughout the planning and installation process, making everything smooth from start to finish. The quality of their equipment is top-notch — reliable, well-built, and offered at a very fair price. I’m genuinely impressed and would absolutely purchase from them again without hesitation.

ood quality Reviewed in Canada on Oct 29, 2025 The housing has a nice seal and the overall construction is a good quality. The Instruction manual was clear and lead me through a hassle free install. It looks good and blends in nice. I would recommend this to anyone who is installing a gate system

Works well as ordered