leadleds 20 inches green led display board, wifi and usb programmable scrolling led sign for store, office, business leadleds <b>great led sign kit for your business increase! </b><br> this money making machine constantly displays your own messages, catches the customers' attention, brings them into your store among others! <br> imagine your business ad messages on this led sign, display your own advertising, working hard for you! <br> <br> <b>sales booster</b><br> must have business sign advertising tool<br> new model up to 30% energy saving. <br> <br> <b> [specifications] </b><br> aluminum frame size: l 20 x h 4 x d 3/5-in<br> letter high: 3 1/5-in<br> pixel pitch: 5mm density<br> color: green message<br> lifespan: 100,000 hours(~ 10yrs), low energy consumption. <br> waterproof: no<br> operation: wifi via smart phone or usb cable via windows computer. <br> made for indoor usage line message adjustable speed. <br> tons of effects and effects integrated on the sign. <br> <br> --> 3 min. easy installation kit included. <br> <br> in package: <br> 1x 20-in programmable scrolling led display sign board<br> 1x usb cable(6.6ft)<br> 1x ac plug<br> 2x mounting hardware<br> 1x metal chain<br> 1x manual & software<br> <br> we love you just like amazon love us, in order to you receive your goods early, it by fedex/dhl express shipping deliver to your doorsteps! <br> <br> you can count on our service, any questions please feel free to contact us. your message will be replied within 24 hours!