Operating Temperature: -20°C to 70°C. Size (Each One): 7. Производитель: Sarik. Применение: Окно. Размер модели: SRK-001. Input: RX 15mA~TX 30mA. Product Name: Active infrared detector. Tpye: Single Beam. Power Supply: DC/AC 12 to 24V. Wave Length: 940nm