Model Number: VFL-DT-VFL-7305A Brand Name: Daytai Key Specifications/Special Features: Operation guidance* Unscrew VLP tail cap, put in batteries according to the tail’s label* Remove VLP dust cap* Plug the fiber optical connector into VLP light output port, VLP supports universal adapter with 2.5mm* Press the mode/power button to toggle between continuous, flashing and power off modes* LED indicator: green and flashing is mode, green is continue mode, red or red flashing is low battery* Power off VLP, cover the dust cap. Model DT7305A-5A DT730A-10 Output power 0dBm 10dBm Detecting Range 5km 10km Power Supply 1.5V AA Alkaline Battery x2 Battery Life 1mW≥50h; 10mW≥40h Weight 120g (without battery) Size φ 15x180mm Laser Type FP-LD; enter Wavelength:650nm±10nm Work Mode CW or Modulated Output Connector 2.5mm universal adapter; optional 1.25mm adapter Working Tem. -10~45℃ Storage Tem. -40~70℃ Relative Humidity 0~95﹪(Non-condensing)