The Backyard Astronomer's Guide

ECOWITT WH46D CO₂ and Air Quality Monitoring, CO₂(NDIR)/PM1.0/PM2.5/PM4.0/PM10/Temperature/Humidity 7-in-1 Sensor with LCD Screen

ECOWITT Soil Moisture Tester Kit, Includes IoT Gateway GW1200 and WH51 Soil Moisture Sensor Meter, 915 Mhz

ECOWITT WH40BH Wireless Rain Gauge Outdoor Sensor, with 5cm/1.96in Height Self-Emptying Rainfall Collector Funnel, 15 Pcs Bird Spikes - - Accessory Only, Can Not Be Used Alone, 915 MHz

ECOWITT Latest Outdoor Weather Sensor WS85, with Built-in Solar Panel/Rain Gauge/Wind Speed/Wind Direction Sensors, Needs to Pair with Ecowitt Wi-Fi Gateways/Display Consoles, 915 MHz

Ambient Weather WH31-SRS Solar Radiation Shield w/Bracket for WH31E, WH31P and WH31L Sensors

ECOWITT WN1981 Wi-Fi Weather Station Indoor and Outdoor, Includes WN1980 LCD Display Console and WS90 Outdoor Sensor, 915 MHz

ECOWITT WN30BL Wireless Multi-Channel Thermometer with 3 Meters / 10ft Waterproof Probe Sensor for Home, Garden, 915 MHz

ECOWITT WN34BS Soil Temperature Sensor, Waterproof Soil Tester Digital with LCD Display, 11.8 inch Temperature Probe Sensor for Garden, Farm, Lawn, Indoor and Outdoor Use