Nút bấm thuyết trình

Main unit size (W. D. H.): 32, 32, 32
Receiver Dimensions (W. D. H.): 26, 17, 5.5
Material/Body: PC/ABS, Ring: PC/Elastomer, Receiver: PC
Communication/RF (radio wave) system 2.4 GHz frequency band
Weight/Unit: approx. 12 g (Including battery), Ring Small (for laser pointers): approx. 4.5 g, Receiver: approx. 2.5 g
Accessories/Alkali Button battery 1 piece (LR 43 for trial use)/Ring Small (for laser pointers)/Storage Pouch
battery life/ Operating time approx . 15 hours (Once every 30 seconds)
Receivable distance/radius approx. 15 m
Use lead free solder
Manufacturer model number: ELA-FP1
Code: 6216 -6539