4-Channel Frequency Wireless Active Infrared Beam Barrier
High-precision photoelectric sensor with 3 beams for reliable perimeter detection. Features advanced frequency hopping technology to prevent interference, ensuring stable performance in complex environments. Constructed with durable ABS housing and weather-resistant coating for outdoor use. Equipped with long-life lithium battery (up to 2 years standby) and low-power design for continuous operation. Ideal for commercial security, warehouse monitoring, and restricted area protection. Easy installation with adjustable sensitivity and alignment indicators for quick setup. Global wholesale pricing available—bulk orders enjoy exclusive discounts. Trusted supplier with direct factory sourcing for unbeatable value.