Solar taillight
Battery: No battery
Weight: about 67 grams
Material: EVA sealing material
Color: black and red， light red
Size: Approximately 7cm， width 5.5cm， thickness 2cm， buckle diameter of about 2.2-3cm


Generation laser taillight
Battery: 2 AAA batteries
Weight: about 53 grams，
Material: high quality PC plastic
Color: black and red， light red
Size: approx length 7.7cm， width 7cm， thick 3.1cm， diameter of about 2.2-3cm snap


II laser taillight
Battery: 2 AAA batteries
Weight: about 62 grams
Material: high quality PC plastic
Color: black and red， black and blue， black and white
Size: approx length 7.7cm， width 7.8cm， thickness 3.1cm， snap outside their range， most of the car can be installed

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