Models and specifications:

Model no.: GJ3672 front light
1) Ultra bright white LED (4pcs long-life LED bulbs)
2) 4 x AA batteries
3) Size: 5.5 x 11 x 5.5cm
4) 3 functions

Model no.: GJ3682 rear light
1) Ultra bright white LED (5pcs long-life LED bulbs)
2) 2 x AAA batteries
3) Size: 7 x 4 x 4cm
4) 7 functions
5) Suitable for bicycles, prams, and scooters

Model no.: GJ3699
1) Consists of front light and rear light
2) Color: Silver

Model no.: GJ3699
1) Consists of front light and rear light
2) Color: Black