2-Wire Surveillance Kit includes microphone with Push-To-Talk and earphone with clear acoustic tube and earbud. NINJA ® is a standard of durability, reliability and performance for low-profile surveillance kits. Maintain high-clarity, two-way radio transmissions that are unnoticed by others around you. Heavy-duty construction, featuring Kevlar reinforced cables and impact-resistant polycarbonate housing. NINJA ® is NOT just only for "surveillance" purposes, NINJA ® is perfect for security at airports, casinos and manufacturing plants, crowd control at conventions and concerts, and others working in environments requiring discrete communications.
|Audio Output||Normal 1.0W; Maximum 1.5W|
|Frequency Response||1500~12000 Hz|
|Impedance||110 ± 15% ohm|
|Output Impedance||2.2K Ω|
|Sensitivity||-40 ± 3db|
|Sound Pressure Level||86 ± 3db|
|Temperature||-68°F - 122°F|