Pen Cameras 
First Witness Video PEN color Camera With a built-in 2.4 GHz transmitter FWPENCA

With a built-in 2.4 GHz transmitter, color camera, and power source, the Pen Camera is one of the smallest systems we carry! This unit holds a 5.6mm, 380 TVL color camera and a complete, 4-channel video transmitter for tranmissions up to 700 ft. line-of-sight. Five internal 1.5 Volt alkaline batteries provide power for the unit. Additionally, the pen itself is still fully functional! One-year warranty.