?The size is the length of the tubes ?[30cm-192LED (8Tube) ]meteor shower lights has 24leds(Double-sided lamp beads) each tubes,totally has 192leds. ?[50cm-288LED (8Tube) ]meteor shower lights has 36leds(Double-sided lamp beads) each tubes,totally has 288leds. More lamp beads, more blinking effect The totally length is 5M,include 3m lead line and 30cm between the tubes. ?[Solar Powered&Auto Working and Charging]These solar powered outdoor lights completely runs on solar power and do a solar power charging automatically all the day. Then turn on the light automatically at dusk and turn it off when it's dawn.(NOTE: Keep the switch to ON when charging in the sun or it will no charge and out of power). ?[IP65 Waterproof & Weather Resistant]Made of high quality polysilicon solar panel and ABS with IP65 waterproof performance which allows it withstand rain, snow, thunderstorm, frosting.No external wiring, No battery replacement, eliminate installation trouble and the risk of accidents. ?[New Solar Panel] Upgraded solar panel,battery gets bigger,Timing function,has power display. ?[Wide Application]Perfect to decorate indoor and outdoor. Ideal for Christmas, Halloween,Valentine's Day, party, wedding, tree, home, window,curtain, bathroom, festival, Holiday, shows, restaurant, hotel, roof,commercial building, shopping center etc. ?[Meteor Shower Rain Lights]Includes 8 tubes, 24 LED/36LED per tube, total of 192LEDS/288LEDS providing a wonderful lighting effect. The lights of each bulb turn on and off one by one, quickly like a meteor shower or a snow falling in the night sky. ?[Energy Saving]Led meteor lights use SMD2835 LED chips (instead of cheap dim LEDs), which makes the falling rain lights MUCH BRIGHTER and BEAUTIFUL, but energy saving with low power consumption. ?[Super Bright LED Chip]SMD2835 LED chips has high brightess, good heat dissipation, big luminous point and low light failure function. ??Specification: Tube Length:30cm(12inch)/50cm(17inch) Tube Diameter: 1cm(0.39 in) 30cm Bulb Number: 192Leds(24leds*8) 50cm Bulb Number: 288Leds(36leds*8) LED Chip: SMD2853 Material of Tube: PVC Waterproof: IP65 Charing in day:8hours Lighting at night:8hours Lead Line:3M Main Line:2M Distance between Tubes:30cm ?If you test the solar flowers lights in a bright environment (1) Push the switch to "ON" (2) Please completely block the solar panel with your hand, and the solar light will turn on. (3) If the solar light does not turn on, it indicates that the solar panel is in a state of no electricity, please keep the switch in the "ON" state, put the solar panel in the sun to charge for 8 hours, and then repeat the above operation.