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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Optimised for Astronomy
Mode 1: Vibration + Buzzer + Flash
Turn off all pagers with one button
This filter isolates the red Hydrogen-alpha (Ha) and blue-green Oxygen III (OIII) emission lines
Retekess TT101/TT102 Wireless Tour Guide System Long Standby Time with 40 Slot Charging Case Cafe Equipment Optimised for AstronomyRetekess TT101 TT102 Wireless Tour Guide System Long Standby Time with 40 Slot Charging Case Retekess Wireless Long Standby Time Tour Guide System 2 TT101 transmitters and 38 TT102 receivers with 40 Slot Charging Case Transmitter Feature: Stylish appearance, compact and lightweight, easy to carry. VHF band transmission, less interference, stable signal, good sound quality. Large capacity battery and low power design, environmental protection,
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