What will I get?Package content: 5 x LCD ModuleWorking Voltage: 3.3VCircuit Board size: 80x36mm/3.15x1.41inchScreen size: 72x24mm/2.83x0.94inchDisplay: 16 x 2 CharactersAre there any advantages of the product? Bright blue backlight for clearly displaying characters. What should I notice? Please check the characters, voltage, and display color before ordering. LCD 1602 Blue screen 5V Character LCD Display Module Blue Blacklight... What is this?1602 LCD display module can display 2 lines of 16 characters, a total of 32 characters, widely used to display letters, characters, numbers, clock, humidity, temperature etc. Package content: 5 x LCD Module; Working Voltage: 3.3V; Circuit Board size: 80x36mm/3.15x1.41inch; Screen size: 72x24mm/2.83x0.94inch; Display: 16 x 2 Characters Lcd Display 16x2 Arduino Lcd REE SHIPPING 5PCS/LOT LCD1602 LCD 1602 Blue Screen With Backlight LCD Lcd Display Arduino Bright blue backlight for clearly displaying characters. Get the best deals on Skeletons & Skulls Stainless Steel Rings for Men when you shop the largest online selection at . Free shipping on many items | Browse your favorite brands | affordable prices How to use it?Easy installation, clear display, stable voltage.