| Customer Reviews | 4.5 out of 5 stars 661 | 4.5 out of 5 stars 117 | 4.6 out of 5 stars 110 | 4.6 out of 5 stars 1,781 | 4.5 out of 5 stars 661 | 4.5 out of 5 stars 473 |
| Price | $38.99$38.99 | $39.99$39.99 | $39.99$39.99 | $20.89$20.89 | — | $35.99$35.99 |
| Waterproof | Yes | Yes | No | No | Yes | Yes |
| Battery Life (Years) | 5 | 5 | 2 | 2 | 2 | 2 |
| Replaceable Battery | Yes | Yes | Yes | Yes | Yes | Yes |
| Battery Type & Quantity | 2 AA Lithium | 2 AA Lithium | 2 AA Lithium | 2 AAA Alkaline | 2 AAA Lithium | 2 AAA Lithium |
| Mounting Options | Wall/Magnet | Wall/Magnet | Countertop/Shelf | Countertop/Shelf | Lanyard/Wall | Lanyard/Wall |
| Offline Data Store & Sync | Yes | Yes | Yes | No | No | No |
| On-Demand Real-Time Refresh | SET button | SET button | SET button / App Refresh Icon | SET button | SET button | SET button |
| Dimensions (inch) | 2.97*1.2*3.62 | 2.97*1.2*3.62 | 2.7*2.7*0.94 | 2.44*2.44*0.93 | 2.44*2.44*0.87 | 2.44*2.44*0.87 |
| Dimensions (cm) | 7.55*2.8*9.2 | 7.55*2.8*9.2 | 6.85*6.85*2.4 | 6.2*6.2*2.35 | 6.2*6.2*2.2 | 6.2*6.2*2.2 |
| Cable Length | 3.28 Feet | N/A | N/A | N/A | 3.28 Feet | N/A |