MAY66 Rechargeable Visual Fault Locator Features:Red laser at 650nmPulsed and CW operationLarge capacity rechargeable Lithium batteryRugged and waterproof designLED light for dark environmentSuitable SM and MM fibersSuitable for UPC and APC connectors Specification: Model MAY66-15 MAY66-20 MAY66-30 MAY66-50 Output Power >15mW >20mW >30mW >50mW Distance 8~10km 10~14km 15~20km 40km Wavelength 650nm ± 20nm Operation Mode CW/1Hz/2Hz Connector 2.5mm universal adapter (SC/FC/ST/E2000, etc.) Power supply 1800mAh/6.6Wh/3.7V Battery Charging Port Type C Size (H*W*D) 145(L)*29(D)mm LED 2pcs Body Material alloy Net Weight 130g Working Temperature -10℃~+50℃; <90%RH Storage Temperature -40℃~+70℃; <90%RH Standard Accessories: VFL with Rechargeable Lithium Battery, Data Line