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| Product | Logitech Harmony One Advanced | Logitech Harmony 890 | Logitech Harmony 670 | Logitech Harmony 550 |
| Price | $349.97 | $260.00 | $179.99 | Pricing is currently unavailable. |
| CNET editors' rating | 4 stars | 3.5 stars | 3 stars | 3.5 stars |
| Average user rating | 3.5 stars | 2.5 stars | 3 stars | 3.5 stars |
| Release date | Info unavailable | January 3, 2006 | October 10, 2006 | March 1, 2006 |
| Bottom line | While it's missing an RF option, Logitech's Harmony One is one of the best--if not the best--universal remote we've ever tested. | While it isn't perfect, the Logitech Harmony 890 should be near the top of your list if you're in the market for a sub-$400 RF remote that can operate equipment that's hidden behind cabinets or closet doors. | The Logitech Harmony 670 may not be the coolest-looking universal remote, but it's one of the easiest to use, especially for DVR users. | The PC-programmable Logitech Harmony 550 universal remote control offers a sleek design, an impressive feature set, and a manageable price tag. |
| Remote type | Universal remote control | Universal remote control | Universal remote control | Info unavailable |
| Remote control technology | Infrared | Infrared | Infrared | Info unavailable |
| Features | Supports 5000+ brands Guided online setup Back-lit buttons Learning | Back-lit buttons Easy online set up One-click activity buttons Multi-brand compatibility Programmable | Multi-brand compatibility Color-coded buttons Back-lit buttons Easy online set up | Info unavailable |
| Supported Device Qty | 15 | 15 | 15 | Info unavailable |
| Supported Devices | TV Satellite TV system Cable box DVD player Projector Game console AV receiver Blu-ray player VCR Amplifier | TV DVD player VCR Game console AV receiver Amplifier CD player DVR Radio | TV DVR AV receiver DVD player Cable box Satellite TV system Game console | Info unavailable |
| Input Device | Touch screen Keypad | Keypad | Keypad | Info unavailable |
| Display | LCD display - 2.2 in | LCD display | LCD display | Info unavailable |
| Battery | 1 x Remote control unit battery - Rechargeable - Lithium ion | Remote control unit battery - Rechargeable - Lithium ion | 4 x Standard battery - AAA type | Info unavailable |
| Manufacturer Warranty | 2 years warranty | 1 year warranty | 1 year warranty | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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| Pricing is currently unavailable. |