---
product_id: 218138769
title: "CPS-RPEN4 Retro-Reflective Photo Eye"
price: "S$307"
currency: SGD
in_stock: true
reviews_count: 1
url: https://www.desertcart.sg/products/218138769-cps-rpen4-retro-reflective-photo-eye
store_origin: SG
region: Singapore
---

# 30% faster installation NEMA4 waterproof enclosure 50 ft detection range CPS-RPEN4 Retro-Reflective Photo Eye

**Price:** S$307
**Availability:** ✅ In Stock

## Summary

> 🚪 Elevate your commercial door safety with smart, speedy sensing!

## Quick Answers

- **What is this?** CPS-RPEN4 Retro-Reflective Photo Eye
- **How much does it cost?** S$307 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/218138769-cps-rpen4-retro-reflective-photo-eye)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extended 50 ft Range:** Reliable obstruction sensing across most commercial doors
- • **Seamless Compatibility:** Works effortlessly with LiftMaster’s top commercial door operators
- • **Streamlined Installation:** Power on one side cuts setup time by 30%, saving you hours
- • **Waterproof NEMA4 Enclosure:** Built to withstand harsh environments and weather
- • **Precision Polarized Beam Tech:** Avoids shiny object interference for flawless detection

## Overview

The LiftMaster CPS-RPEN4 Retro-Reflective Photo Eye is a commercial-grade safety sensor featuring polarized beam technology to prevent false triggers from shiny surfaces. It detects obstructions up to 50 feet away, housed in a durable NEMA4 waterproof enclosure. Designed for quick installation with power required on only one side, it reduces setup time by 30%. Compatible with major LiftMaster commercial door operators, it meets UL 325 safety standards for reliable, professional-grade security.

## Description

Commercial Safety Monitored Retro-Reflective Photo Eye for Commercial Door Applications Built-in polarized beam technology sends and receives beam through two polarized filters to avoid interference from shiny objects. Detects obstructions and communicates with the reflector up to 50 ft. away in most commercial door applications. Requires power only on one side of the installation; reduces overall installation time by an average of 30%. Adjustable photo eye assembly provides additional flexibility in installation alignment. Armored power cable connects easily to the LiftMaster 3-Button station for power. LiftMaster model 65-7WIREL, Seven Conductor is an ideal complement to this photo eye. NEMA4 waterproof enclosure. Compatible with the following commercial door operators: Logic 4, Medium Duty, FDC, FDCL, FDOA, and FDOB. Meets UL 325 Safety Standards.

Review: Very touchy. To easy to misalign - No good. As bad as the one we replaced.

## Features

- Monitored Retro-Reflective Photo Eye for Commercial Door Applications
- Built-in polarized beam technology sends and receives beam through two polarized filters to avoid interference from shiny objects
- Detects obstructions and communicates with the reflector up to 50 ft. away in most commercial door applications
- LiftMaster model 65-7WIREL, Seven Conductor is an ideal complement to this photo eye. NEMA4 waterproof enclosure.
- Armored power cable connects easily to the LiftMaster 3-Button station for power.

## Images

![CPS-RPEN4 Retro-Reflective Photo Eye - Image 1](https://m.media-amazon.com/images/I/21t4+Q5G8OL.jpg)

## Customer Reviews

### ⭐ Very touchy. To easy to misalign
*by A***R on September 17, 2021*

No good. As bad as the one we replaced.

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**Shop now:** [https://www.desertcart.sg/products/218138769-cps-rpen4-retro-reflective-photo-eye](https://www.desertcart.sg/products/218138769-cps-rpen4-retro-reflective-photo-eye)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-13*