271-40 m second generation new products, independent research and development

271-50 m second generation new products, independent research and development

271-70 m second generation new products, independent research and development

272l-60m lithium direct charging voice (electronic level)

272l-80m lithium direct charge voice (electronic level)

272l-100m lithium direct charging voice (electronic level)

273l-60m lithium direct charging, Bluetooth transmission, voice broadcast

273L-80 M lithium direct charging, Bluetooth transmission, voice broadcast

273l-120m lithium battery direct charging, Bluetooth transmission, voice broadcast

274l-60m green rangefinder, Bluetooth transmission, voice broadcast

274L-80 m green rangefinder, Bluetooth transmission, voice broadcast

274l-100m green rangefinder, Bluetooth transmission, voice broadcast

275l-60m Green Special Price, Lithium Direct Charge, Bluetooth Transmission, Voice Broadcast

275l-100m green light special price, charging voice-electronic level