https://www.vedardalarm.com/safety-home-wireless-break-beam-system-anti-theft-p-57
Active photoelectric grating for window break in prevention. Detection distance within 10m outdoor intrusion detector. It is updated wireless solar-powered and anti interference wall installation electronic grating.
This is solar-powered product and should be installed at place where sunlight intensity more than 2200lux.
Functions and Specification:
1.It is four beams wireless outdoor grating working by pairs of transmitter and receiver.
2.Irradiation distance:10m
3.Wireless Transmitting distance: 100m
4.Wireless frequency:433MHz
5.Maximum alarm times in 24 hours:<=50 times
6.Battery capacity: transmitting terminal: 500mA, receiving terminal: 500mA
7.Working temperature: -30℃~70℃
8.Number of beams: 4 beams
9.Working voltage:3.3V
10.Power storage type: LiFePO4 Battery
11.Static working current: transmitting terminal<=0.6mA, receiving terminal<=0.6mA
13. light frequency: secondary modulation & encoding based on 38KHz
14. light wave-length: 940nm+/-20nm
15.Output current of solar panel: Under the condition of 1600Lux lighting >=1.5mA (Outdoor illumination in ordinary rainy or cloudy days is about 2000Lux)
16.Dimension:620*48*56mm
17.Distance between two light hole: 164mm between 1st group and 2nd group. 86mm between two holes in same group.

There are more models of this new type beams detector at http://www.vedardalarm.com/hb-solar-beams-m-3