his is a high quality line intelligent display module, with back lighting, works with almost any microcontroller. 

Technical Specification:

• Display Content : 4 -1/2-Digits
• Outline Dimension : 52.5*30.8*2.8mm
• Display Mode : HTN , Positive
• Connection : Metal PIN
• Drive mode : 1/1 Duty , 1/1 Bias
• Backlight : No
• Working voltage: 3.3V
• No. of Pins : 40 Pin
• Operating Temperature : -20 ~ 70 degrees
• Storage Temperature : -30 ~ 80 degrees

Features:

• Large Clear Digits
• Low Battery Message
• Plus-Minus Display
• Low Power Requirements

 Applications:

• Electronic equipment's
• Medical equipment's
• Fax machines