| Brand | Honeywell |
| Voltage | 24 V |
| Model | Honeywell THM5421R1021 |
| Amperage | 1.0 A |
| Compatible Product | Central Air Conditioner |
| UPC | 085267328180 |
Honeywell THM5421R1021. Wireless Protocol: RedLINK technology for communication with wireless indoor/outdoor sensors and gateways.