Eja 38 Women's Size:XS S dual air chambers and custom comfy dual air chambers and custom contours to ensure a perfect fit in all Tentsile tree tents and hammocks Lighting performance as defined by the ANSI PLATO FL 1 protocol Lighting Technology Lighting Color Lighting Levels Brightness Distance Burn Time Reserve Lighting REACTIVE LIGHTING® White Max Burn Time 15 to 250 lm 70 m 10 to 64 h 10 lm for 2 h Standard 30 to 550 lm 100 m 5 to 40 h Max Power 50 to 1500 lm 200 m 2 to 24 h Standard Lighting Max Burn Time 10 lm 10 m 80 h Standard 250 lm 70 m 5 h Max Power 900 lm 140 m 2 h Rear Red Light Continuous 2 lm 2 with one man Locate your C7 vertebrae (the bony bump at the base of your neck)