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September 08, 2026 2 min read
Product specifications for the Somfy Ondeis WireFree RTS combination rain and sun sensor for RTS motorized awnings, shutters, and screens.
Product specifications for the Somfy Ondeis™ WireFree RTS Rain & Sun Sensor (Part #9019617) — a solar-powered combination rain and sun sensor for Radio Technology Somfy® motorized awnings, rolling shutters, and screens.
The Ondeis™ WireFree RTS is a solar-powered combination rain and sun sensor compatible with RTS motorized exterior products. It monitors rain and sun levels and automatically activates RTS motorized products once user-selected thresholds are passed.
| Power | Solar powered |
| Material | ABS |
| Dimensions | 4.53"L (115mm) x 2.60"W (66mm) x 1.97"D (50mm) |
| Maximum Range | 65 ft under optimal conditions |
| Rain Sensitivity | Lowest setting (fully CCW): reacts to very light rain (2–4 drops, 1–2mm within 1–2 sec) or heavy condensation/fog. Highest setting (fully CW): reacts only to very heavy rain (1–2" per hour). |
| Sun Sensitivity | Threshold adjustable from 0.5 (CCW) to 50 klux (CW) |
| Operating Temperature | 32°F to 140°F (0°C to +60°C) |
| Storage Temperature | -4°F to 140°F (-20°C to +60°C) |
| Frequency | 433.42 MHz |
| Shipping Weight | 1 lb |
| IP Rating | IP44 |
| Approvals | FCC |
| Element | Function |
|---|---|
| Optical Rain Sensor | Senses rain levels |
| Sun Sensor | Senses brightness levels |
| Solar Charging Panel | Charges the battery |
| Mounting Plate | Allows easy wall, pole, or gutter mount |
| Hatch | Protects the dials and switches |
| Rain Sensor LED | Visual feedback of the rain function |
| Sun Sensor LED | Visual feedback of the sun function |
| Rain Threshold Dial | Sets rain sensing threshold level |
| Sun Threshold Dial | Sets sun sensing threshold level |
| Demo Button | Tests/demonstrates settings |
| Programming Button | Used for RTS programming |
| Configuration Switches | Mode selection |
| Switch Sticker | Covers the Shutter/Screen mode switches |
© Somfy Systems, Inc. — D-0038
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