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Temperature Controls by Spider Robotics
For ordering email mark@aplusserpents.com

| Herpstat Product Comparison Chart | Herpstat Intro | Herpstat 1 Basic | Herpstat 1 | Herpstat 2 | Herpstat 4 |
| MSRP list price | $99 | $115 | $139 | $195 | $339 |
| Number of outputs | 1 | 1 | 1 | 2 | 4 |
| AC outlet type (Standard=2 Prongs Grounded=3 Prongs) | Standard | Grounded | Grounded | Grounded | Grounded |
| AC input cord length | 5.5ft | 6ft upgradable | 6ft upgradable | 6ft upgradable | 6ft |
| Safety fuse type | AutoReset | 6.3A 5x20mm User Replaceable |
6.3A 5x20mm User Replaceable |
8.0A 5x20mm User Replaceable |
AutoReset |
| Maximum wattage | 350W | 700W | 700W | 900W Total (500/Output) | 1600W Total (400/Output) |
| Includes 12ft replaceable precision temperature probe | ✓x1 | ✓x1 | ✓x1 | ✓x2 | ✓x4 |
| Sets and displays in tenths of a degree | ✓ | ✓ | ✓ | ✓ | ✓ |
| Built in audible alarms | ✓ | ✓ | ✓ | ✓ | ✓ |
| High / Low temperature tracking | ✓ | ✓ | ✓ | ✓ | ✓ |
| Advanced automatic soft start temperature ramping | ✓ | ✓ | ✓ | ✓ | ✓ |
| Advanced diming proportional control | ✓ | ✓ | ✓ | ✓ | ✓ |
| Built in nighttime temperature option | *✓ | *✓ | ✓ | ✓ | ✓ |
| User adjustable daytime/nighttime transition ramping up to a 10 hour period | *✓ | *✓ | ✓ | ✓ | ✓ |
| Recommended for cages and incubators | ✓ | ✓ | ✓ | ✓ | ✓ |
| Can be used as a light controller to simulate sunrise/sunset | ✗ | *✓ | ✓ | ✓ | ✓ |
| Recommended for rack systems | ✗ | ✓ | ✓ | ✓ | ✓ |
| Advanced pulse proportional control | ✗ | ✓ | ✓ | ✓ | ✓ |
| Built in safety power relay | ✗ | ✗ | ✓ | ✓ | ✓ |
| Works with optional humidity sensor for true humidity control | ✗ | ✗ | ✓ | ✓ | ✓ |
| External input for triggering alarms | ✗ | ✗ | ✗ | ✗ | ✓ |
| Manufactured by the leading proportional reptile thermostat manufacturer in the USA | ✓ | ✓ | ✓ | ✓ | ✓ |
| Every unit pretested before final packaging | ✓ | ✓ | ✓ | ✓ | ✓ |