A uhf credit card size tx measuring just 85 x 55 x 6 mm is ideal for concealing in clothing, bags etc and to conserve battery life it has a voice activation feature

Specification
 
SIZE... 54 x 85 x 6mm

WEIGHT... 27g (with a battery)

POWER SUPPLY... Lithium battery CR2430 (3V) x 1

BATTERY LIFE... Approx. 50 hours

MIC EFFECTIVE RANGE... 10m from circle point.
It is illegal in some countries to operate certain transmitting devices it is the responsibility of the individual to check regulations. This unit has received no licenses or approval in any country and is supplied for export outside of the EC  only