916R works as radio receiver; Matched with 916T (transmmitter).
These 2 model are powered by AA battery.
①/② : Volume key
③ : Power key
④/⑤ : Change channel
Carrier Frequency: UHF 600MHz-900MHz; channel numbers: 18 - 200 channels
Working time: 20 hours; battery: 2 pieces #5 AA battery
Working distance: >150m; machine size: 107*54*25mm; machine weight: 47g
Accessories: earphone and hanging rope