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-60 m lithium direct charging voice (electronic level)

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

272L-100 m lithium direct charge voice (electronic level)

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

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

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

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

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

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

275L-60 m Green Special Price, Lithium Direct Charge, Bluetooth Transmission, Voice Broadcasting

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