Retekess TT109 Long Range Tour Guide System

Retekess TT109 Long Range Tour Guide SystemRetekess TT109 Long Range Tour Guide System Open air transmission distance up to 180 meters One click pairing of all receiver channels 2. 4 GHz signal transmission with stable sound quality Transmitter and receiver can be hung on the neck, freeing your hands Pocket size and light weight, easy to carry. Battery runtime It only takes 2 3 hours to fully charge, the transmitter can work for 8 hrs and the receiver can work for 18 hrs after a full charge.

●High/low  power switch

and improves contrast in bluish cloud regions on Jupiter and Saturn

A general "right

you can process your images to achieve results similar to those of the Hubble Space Telescope

longer exposures and significantly higher quality deep-sky images

offering high sensitivity and low noise performance in a compact format

and ASIStudio

all transmitters can be synchronized with the transmitter within 4 seconds

25″ Four-Colour Planetary Filter Set is designed to enhance contrast and reveal subtle surface and atmospheric details on the Moon and planets

resulting in clear and sharp images

and double stars

optimized for fast optical systems