| Programmable buttons | 2-7 depending on configuration |
| Button LED feedback | One RGB status LED per button |
| Power requirements | 48VDC |
| Maximum power consumption | 1.2W |
| Minimum power consumption | 0.7W |
| Recommended wiring | See “Keypad Bus Wiring Guide” document |
| Environmental |
| Humidity | 5% to 95% non-condensing |
| Storage | -4˚F ~ 158˚F (-20˚C ~ 70˚C) |
| Operational temperature | 32˚F ~ 104˚F (0˚C ~ 40˚C) |
| Miscellaneous |
| Control communications | RS-485 |
| Weight | 0.1 lb. (0.045 kg) |
| Shipping weight | 0.3 lb. (0.14 kg) |
| Available accessories |
| Square Device Keypad Button Kit (C4-CKSK-xx) | WH, SW, BL, MB, AU |
| Square Device Rocker Button Kit (C4-CKSR-xx) | WH, SW, BL, MB, AU |
| Square Faceplate (C4-SFP1-xx) | WG, BG, WH, LA, IV, BR, BL, SW, MB, BI, AU, SN, SS, VB, CH, MS |
| Square Dual Faceplate (C4-SFP2-xx) | WH, BL, SW, MB, AU |
| Square Trim Ring (C4-SSTR-xx) | WH, BL, SW, MB, AU |
| Square Dual Trim Ring (C4-SDTR-xx) | WH, BL, SW, MB, AU |
| Engraved Button, Single High (C4-EBD1H-xx) | WH, LA, IV, BR, BL, SW, MB, BI, AU |
| Engraved Button, Double High (C4-EBD2H-xx) | WH, LA, IV, BR, BL, SW, MB, BI, AU |
| Engraved Button, Triple High (C4-EBD3H-xx) | WH, LA, IV, BR, BL, SW, MB, BI, AU |
| Engraved Button, Rocker (C4-EBDR-xx) | WH, LA, IV, BR, BL, SW, MB, BI, AU |