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Feature:
1. The shell is made of high‑quality ABS material, which is durable and has a service life.
2. The international standard power cord makes the fish safe and worry-free, and the fish's.
3. The double-sided adhesive has strong adhesion, waterproof and high temperature resistance.
4. One-year service life, during which there is no need to replace the battery, you save worry and effort.
5. The suction cup probe is accurate. The water level detection is small in size and powerful in function.

Specification:
Item Type: Water Level Alarm Detector
Battery: 3 x LR44 Button Batteries (Shipped with Built-in Battery)
Battery Capacity: 160mAh
Scope of Application: Fish Tank Water Level Monitoring Sump Filter Monitoring Sump Water Level, etc.
Product Size: Approx.7x 5cm/ 2.8x2.0in(The Error of about 0.5cm/0.01in)
Probe Cable Length: Approx. 1.2 m/3.9ft (With an Error of 1-2cm/0.03-0.06in)

Package List:
1 x Water Level Alarm Detector
1 x Double-Sided Tape
1 x Power Cable

Note:
During installation, point L of the lowest water level probe must be at the bottom end, and point H of the highest water level probe at the top end. The alarm cannot be placed in water or wetted by water. Just put the probe in the water, change the battery, please recognize the positive and negative poles.
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