1.5m 10LEDs, Always light - battery   5.4
3m  20leds, strobe light -- battery   9
6m  40leds ,strobe light -- battery   14.8

3m  20leds, remote control--battery  19.5
6m 40leds, remote control--battery  24

3m  20leds, USB, remote control   19
6m 40leds, USB, remote control   23.5

5m 20leds, solar power supply    18.5
6.5m, 30leds, solar power supply   21
7.5m, 50leds, solar power supply

Free samples is avaliable
500pcs--white /normal/pp bag package
2000pcs--customized color box