PowerSeries 64-Zone LCD Full Message Keypad. NOTE: ENG in the part # indicates that the keypad has English words on the “Hot Key” buttons instead of icons. Compatible with the DSC Power Series Panels (432, 632, 832 & 864 Series). The Compatible Alarm Panels are. PC580, PC585, PC1555, PC1555MX, PC1565, PC1575, PC1616, PC1832, PC1864, PC5010, PC5015 & PC5020 Alarm Panels. Available in 13 languages. Full 32-character programmable labels. Modern, slim-line landscape keypad. 5 programmable function keys. Input/Output terminal can be programmed to operate as a zone input, programmable output or as a low temperature sensor. 3 one-touch emergency keys. Multiple door chime per zone. Adjustable backlight and keypad buzzer. Dual wall-mount and front cover tamper. Surface or single-gang box mount. Feature only available with new PowerSeries control panels PC1616, PC1832. The older DSC systems are very unique and this keypad will not work with the DSC PC Classic including. PC550, PC560, PC1000, PC1150, PC1500, PC1550, PC2000, PC2525, PC2500, PC2550, PC3000, PC4000 & PC4010 Alarm Panels. Please ask if you have questions about compatibility concerns with other DSC security equipment. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.