| Monthly cost | $19.95 | $32.95 | $19.95 | $29.95 | $39.99 |
| Range | 600–1,400 feet | 1,400 feet | 800 feet | 1,300 feet | 300–600 feet |
| Connection type | Landline, AT&T cellular | Landline, AT&T cellular | Landline, AT&T cellular | Landline, AT&T or Verizon cellular | Landline, AT&T cellular |
| Response time | 25–50 seconds | 1–25 seconds | 15–25 seconds | 1–25 seconds | 45+ seconds |
| Battery life | 24 hours mobile device, up to 5 years pendant | 24 hours-5 days | Up to 5 days | Up to 10 days | 20 hours |
