Save power and make 90° adjustments with the compact BPE-50 battery-powered photoeye for gates and garage doors. The transmitter and receiver use 12-24 VDC/AC, but the BPE-50 can also be powered by two 3.6-volt lithium batteries. The included batteries have a life expectancy of two years.
Power Supply 12-24 VDC 24 VAC (2-3.6 Volt Lithium Batteries for transmitter optional /included) Expected battery life up to 2 years approx.