LTE Cat.1 for Smart Lighting: The Goldilocks Solution in IoT Connectivity

Outline Smart cities need reliable communication for outdoor lighting. But with so many IoT options, which one truly fits? 5G is powerful but costly. NB-IoT is cheap but too limited. LoRa works well locally but lacks global reach. LTE Cat.1 sits right in the middle. It offers stable coverage, moderate speeds, and cost efficiency. For […]

IR-Filtered vs CdS Sensors: How to Choose the Right Photocell for Your Outdoor Street Lighting – JL-401E(R) vs JL-401C Explained

Outline Choosing the right photosensor switch for street lighting can be tricky. The wrong choice can cause false triggers, wasted energy, and higher maintenance costs. The JL-401 series offers two popular models: Each uses a different sensor technology, and each serves a different purpose. This guide breaks down their differences so you can select the perfect […]

How to Adjust a Dusk to Dawn Light Sensor for Maximum Performance

Outline Photocontrollers keep outdoor lights on only when needed. But what happens when it malfunctions? The results could be power waste and reduced efficiency. Thus, adjusting your dusk-to-dawn photocell is critical. It ensures your lights respond accurately to real lighting conditions. Why Is Proper Adjustment of a Dusk-to-Dawn Light Sensor Important? Correct calibration does more than feel […]

How Photocells Work with Contactors to Power Smarter Outdoor Lighting

Outline Outdoor lighting needs to be efficient and reliable. But how do you control large lighting systems without constant manual work? The answer is often simpler than people think — a photosensor paired with a contactor. This setup: So, regardless of your lighting needs, understanding how these two devices work together can make your system more […]

Zhaga D4i Smart Lighting Controllers: A Game Changer for Global Streetlight Projects

Outline Smart street lighting is no longer just a trend — it’s a necessity. Cities worldwide are upgrading their lighting infrastructure to become smart cities. However, one key aspect to work all this smoothly is compatibility. That’s where Zhaga D4i smart lighting controllers come in. These photo controllers are designed for plug-and-play simplicity. For lighting manufacturers […]

Best Photocell Options for Coastal, Snow, and Desert Climates

Outline Not all outdoor light sensors are made for every climate. Some even fail just months after installation. Salt air, freezing snow, or desert heat might be the culprit. Each environment creates unique challenges for outdoor electronics. That’s why choosing the right photocell for your region is critical. In this article, we’ll explore the best models […]

Why Salt Spray Resistance Matters: How Long-Join Photocontrols Withstand Coastal and Harsh Environments

Outline Outdoor lighting doesn’t just need to work — it needs to survive. In coastal cities, humid climates, or polluted industrial zones, corrosion is the enemy. Salt in the air can eat away at enclosures, terminals, and connectors. Over time, that means flickering lights, failed lighting controls, and costly maintenance. That’s why salt spray resistance […]

Why LongJoin Uses PBT for Bases and PP for Covers in Outdoor Photocell Controllers

Outline Why does material selection matter in outdoor lighting controllers? Because it affects everything from safety to lifespan. At LongJoin, we don’t choose materials randomly. We use PBT for the base and PP for the cover, and there’s a reason behind each choice. One provides strength and fire resistance. The other offers flexibility and cost-efficiency. […]

Unveiling the Secret of Zero-Arc Switching: How Zero-Cross Control Technology Makes Photocells Smarter and Longer-Lasting

Outline Tired of photosensors burning out too fast or causing electrical noise? The problem often lies in how and when circuits are switched. That’s where Zero-Cross Control Technology comes in. It switches power exactly at the safest moment—when the current hits zero. No arcs. No surges. Just clean, quiet switching. In this article, we’ll explore how […]

Microwave vs infrared sensing: Analysis of the core sensing technology of Longjoin intelligent light controller

Outline Why do some outdoor lights respond faster than others? They work flawlessly in rain or fog, while others miss motion altogether. The answer lies in the photocell sensor technology, specifically, microwave vs infrared. As cities move toward smarter lighting, choosing the right sensing tech matters more than ever. This article explores how Long-Join uses […]