Photocell Gate Opener beam Sensor battery model

Photocell Sensor Beam for Swing & Sliding Gate Openers 12m garage sliding door gate opener barrier gate Safety beam Sensor/Battery power Infrared Photocell Gate & Door sensor Single beam photocell sensor/single beam detector is used for automatic Gate openers, coil door, garage door windows etc. Consists of a transmitter and a receiver, and the integrated amplifier can produce infrared beam. Narrow infrared beam (I or II) can avoid interruption by external light. Even installed at low height (20-40cm from the floor), the detecting distance can also be guaranteed (5-10meters). Please Note: No battery included and the buyer needs to prepare the battery themselves! 📦 Package Includes: 1 x photocell Sensor (battery is not included)