Fully User programmable, in high level 'C' languageUser-friendly IDE for rapid application development'C' Libraries Available20 Years calendar Real Time Clock with Battery backupUp to 4 MB Data memoryMembrane or Elastomeric Keypad45, 32, 30, 20 or 15 keys Standard or Custom Keypad layoutsUpto 115 kbps CommunicationVery lightweight, versatile & affordable.Rugged, ABS caseCustomized to user specification