Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School A 1 Receiver+1 Sensors electronics3 The water quality tester is

The water quality tester is the perfect water hardness test kit for measuring and tracking TDS level of your water to check whether your water filter is doing its job and when to change the filter

in 3” width- great for wrist

50-60Hz For battery type: Li- ion Output: DC 9V 1A (max) Condition: Brand new

High Quality: Made of quality carbon steel material

2 Inch full screen display

Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School A 1 Receiver+1 Sensors electronics3 The water quality tester isWireless Motion Sensor LED Light Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School Product Features 58 RINGTONES & 5 VOLUME LEVELS Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash. EXPANDABLE