| model | outputs | notes | price |
|---|---|---|---|
| Kendrick Micro-D | 1 | Also supports camera power. | CDN $156 |
| Kendrick Standard Dual | 4 | Two separate controls. | CDN $149 |
| Orion Dew Zapper | 4 | Four controls! | USD $150 |
| Astrozap | 4 | Two controls. | USD $105 |
| PegasusAstro Dual | 2 | Two controls. | Euro $99 |
| Revelation Pro Dual | 4 | Two controls. | Euro $90 |
| Dew-Not Dual | 4 | Two controls. Green LED! | USD $135 |
To name a few...
"Basic" units allow the level of heat produced to be set by manual adjustment. Some have additional features like low-voltage warnings or cut-offs, reverse-polarity protection, etc.
Kendrick and DewBuster and others also offer "advanced" units that accept temperature and humidity inputs so to automatically modulate power output. Set it and forget it. Some offer additional features like remote computer control, profiles, more power outputs, etc. Not surprisingly, the prices jump. Double or triple... Plus you need the sensors. Ka-ching.
I could build a basic unit for a quarter to a third of the price. Maybe less given the parts and bits and bobs that I have.
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