mini-radio carp alarm set, using mini-digital tech.

It has 16 groups of digital code .The frequency is 433.92MHz according to the standard of the frequency used in Europe.

80-200 meters of the working distance .
Volume and tune control and latching LED indicator with 20s memory .

A 12V 23A alkalized battery will operate 15-20 days with the indicator working consistently.receiver use 9v pp3 battery.

It's one of the smallest carp alarms in the world.