Ultra Sensitive High Performance
The assembled LLR40 is included with our LWB90 high-performance laser window bounce listener, but the kit is offered here if you wish to purchase it seperately.
Detects ultra low level voice modulated light waves. Use for laser window bounce with our invisible IR laser #CWL series or for long range optical communication. Built in voice filter with many amenities. 9 volt battery operation with cushioned headsets easily mounts to video tripod. Features low noise GaAsFET preamplifier. Includes external light bias control, EXT10 extender and condensing lens, HS20 cushioned headsets with individual volume controls and LWB9 plans showing how to make 3 laser window bounce systems.
|This is a kit with plans and all parts included, requiring assembly.
It is also available fully assembled and ready to use.
Or as plans (paper or downloadable versions), with parts and assembly required.