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Shop the best prices on 26 great value blue detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 26 of 26
Liquid Level Sensor Liquid Level Detection Sensor Water Level Monitoring Sensor Sensor Module
$16.95
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$11.95 Save $7.00 RRP: $18.95
2Pcs Tuya Smart Life Energy Meter Power Production Consumption Bidirectional Power Monitor Support
$64.00
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$10.95 Save $5.00 RRP: $15.95
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$89.00 Save $50.00 RRP: $139.00
2Pcs Tuya Smart Life Energy Meter Power Production Consumption
$49.95 Save $9.05 RRP: $59.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$94.00 Save $45.00 RRP: $139.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector
$79.00
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$9.95 Save $4.00 RRP: $13.95
Soil sensor temperature humidity PH value salt RS485 detector
$99.00
O02 Tuya APP WiFi Natural Combustible Leak Home Alarm Sensor Detector O02 Tuya APP WiFi Natural Combustible Leak Home Alarm Sensor Detector
$31.95
2Pcs Tuya Smart Life Energy Meter Power Production Consumption Bidirectional Power Monitor Support A
$45.95 Save $13.05 RRP: $59.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$94.00
Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$12.95 Save $1.00 RRP: $13.95
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$84.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$89.00
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$10.95 Save $5.00 RRP: $15.95
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$84.00 Save $55.00 RRP: $139.00
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$10.95 Save $7.00 RRP: $17.95
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$84.00 Save $45.00 RRP: $129.00
Soil sensor temperature humidity PH value salt RS485 detector
$129.00 Save $40.00 RRP: $169.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector
$79.00
Soil sensor temperature humidity PH value salt RS485 detector
$99.00
Leakage Detector Water Purifier HM Leakage Alarm with Protection Valve Water Pipe Leakage Detector Automatic Shutdown
$104.00 Save $35.00 RRP: $139.00
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$11.95 Save $5.00 RRP: $16.95
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$10.95 Save $5.00 RRP: $15.95