best flash light Manta Ray S21 CREE XHP50 3000 Lumens

best flash light Manta Ray S21 1xCREE XHP50 3000 Lumens Straight cylinder LED Flashlight 

Model No.: MR-S21-P50

Specification:

• Brand: Manta Ray
• Light Source: CREE XHP50
• Light Color:6500K Cold White
• Brightness: 3000 Lumens
• Modes:Low-Middle-High Circle. Double click at any modes enter Strobe mode.3 click at any modes enter electrodeless dimming
• With Memory function
• Circuit: 7135×8 2.8A Constant Current
• Restore factory setup mode:Fast half click the switch 5 times at any modes, after turn off, turn on again, then can restore factory setup mode
• Low Voltage indication function:When the battery voltage is lower than 2.8V, it drop to Low mode and flash once time per 5 seconds to prompt that it need to be charged
• With Reverse Connection Protection Function: There is no current when battery back connection
• Body Materials: Aluminum alloy 3 Grade Hard Oxidation Not easy Scraping flowers
• Conductive end surface, not easy to slip wire
• Working Voltage: 7-4.2V
• Battery Using: 1×18650/1×21700
• Size:126x27mm
• Net Weight:90g