If you are a first timer assigned for a sting operation I bet you surely would be nervous as hell. There is always a chance that you might get caught if you use your shaking fingers to fiddle with its buttons. The good thing now is that you have this button spy camera which can be controlled with your ring finger to take pictures and videos. It seems either RFID technology or simple metal detection has been deployed for the purpose as the company producing it has not clearly stated about it. Costing $96 its can be a potent weapon to catch all the people in 'action'. Check out the features of this ring operated button spy camera:

Features

Button Built-in 4GB Spy Camera + Ring Controller
# Camera + Camcorder
# Place a ring near the Pin-hole camera to control: Switch ON, Record Video start/stop and Photo take.
# Ring Inner Diameter: 1.8 cm
# Button Spy Camera Dimension: 2 x 5.8 x 1.7 cm

Specifications

# pinhole Lens
# Image Resolution: 1200 x 1600 pixel
# Video Resolution: 608 x 488 pixel
# FPS: 15 frame per second
# Image file format: JPEG
# Video file format: 3GP
# Color Video and Audio
# Built-in 4GB Memory
# Rechargeable Li-ion battery

Package Included

# 1 set Button Built-in 4GB Spy Camera + Ring Controller

One more thing, when you are done with your assignment don't forget to take off the ring else your boyfriend or girlfriend might feel you are cheating on them.