• External Single Temperature Sensor Probe, Waterproof Digital Probe Sensor, -40~248℉(-40~120℃) Temp Sensor 5m(16ft) KWD 11
• External Temperature and Humidity Sensor Probe, Waterproof Digital Probe Sensor, -40~194℉ (-40~90℃), 0~100% RH Temp and Humi Sensor 5m(16ft) KWD 11
• S22D WiFi Temperature and Humidity Detector, 24/7 Wireless Remote Monitoring, Data Logger for Greenhouse, Storage and Export, Free App Monitoring, Email Alerts. Monitor Anywhere, Anytime. KWD 55