The 35cm long penlight is a large size, with a length of 35cm, a 20cm glossy section, and a diameter of 4cm. Features a gold ring. A must-have item for events and live concerts! The light has two modes: automatic color change and fixed color. To turn the light ON, press lightly for 0.5 seconds. To turn the light OFF, press for 2 seconds. Available in 15 colors: Red - Green - Blue - Hot Pink - White - Yellow - Light Blue - Light Green - Purple - Orange - Light Pink - Violet - Lime - Turquoise Blue - Hot Orange Includes a color change sheet. Heart-shaped size: Width 119mm x Height 108mm x Thickness 33mm Stick-type size: Total length 250mm, illuminated section 150mm, diameter 30mm Star-shaped penlight Approximate illumination time: 13 to 20 hours Uses 3 AAA batteries Stick-type is packaged in a plastic bag. Heart-shaped and star-shaped penlights are packaged in bubble wrap.