





Product Highlights
1. 433MHz Wireless Connectivity — Stay Connected from 200ft Away
Connects up to 3 transmitters simultaneously to one indoor receiver using 433.92 MHz signal for stable, real-time monitoring — ideal for pools, bathtubs, and fish tanks.
2. Accurate Temperature Monitoring from -40°F to 158°F
Provides precise water temperature readings for various environments including swimming pools, spas, aquariums, hot tubs, and baby baths.
3.Comfort Level Reminder & MAX/MIN Record Function
Visual comfort indicators (LOW/OK/HIGH) let you know when water is too cold or too hot. View historical maximum/minimum values to track trends easily.
4.IP67 Waterproof Design — Fully Submersible Probe
Floating transmitter is IP67-rated for water resistance, allowing safe and continuous temperature measurement in all water conditions without damage.
5.Battery Operated & Easy Setup in Minutes
Receiver and transmitter each run on 2×AAA batteries (not included). Simple pairing system and °C/°F switch design makes setup user-friendly for all ages.
Real-Time Water Temperature Comfort Reminder
Make Bath Time Safer & Smarter — Especially for Kids!
With our Wireless Pool Thermometer, you're always in control:
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10-Second LCD Backlight – Easy to read day or night
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Comfort Level Indicator – Shows if water is too cold (<68°F), just right (68–86°F), or too hot (>86°F)
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Accurate ±1°C Reading – Know the exact temperature before they jump in
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Perfect for swimming pools, hot tubs, and baby baths
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Powered by AAA batteries – No cords, no Wi-Fi needed
Product Specification | Wireless Pool Thermometer
Parameter | Details |
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Model | THE01891 |
Product Type | Wireless Floating Pool Thermometer + LCD Receiver Set |
Measurement Range (Outdoor) | -40°F to 158°F / -40°C to 70°C |
Measurement Range (Indoor) | 14.2°F to 122°F / -9.9°C to 50°C |
Humidity Range (Indoor) | 20%RH – 95%RH |
Transmission Frequency | 433.92 MHz RF |
Wireless Range | Up to 200 ft / 60 meters (open area) |
Channels Supported | 3 Remote Transmitters (CH1 / CH2 / CH3) |
Display | Large LCD screen with temperature, humidity, time, comfort level |
Temperature Units | °C / °F switchable |
Backlight Function | 10 seconds automatic backlight |
Comfort Level Indicator | LOW: <68°F (20°C); OK: 68–86°F (20–30°C); HIGH: >86°F (30°C) |
Waterproof Grade | IP67 (transmitter only) |
Memory Function | Max/Min temperature & humidity history |
Time Format | 12H / 24H switchable |
Power Supply - Receiver (RX) | 2 × AAA 1.5V batteries (not included) |
Power Supply - Transmitter (TX) | 2 × AAA 1.5V batteries (not included) |
Material | ABS + Transparent Acrylic Lens + Silicone sealing ring |
Application Scenarios | Swimming Pool, Baby Bath, Hot Tub, Spa, Aquarium, Fish Pond, Hot Spring |
Setup Time | Approx. 2–3 minutes for pairing |
Special Feature | No Wi-Fi required; simple RF pairing with channel selector |
Emma J. — Florida, USA
“Finally found a thermometer I trust for my toddler’s bath. The comfort reminder is a lifesaver — I always know when the water’s just right. Easy to use and super accurate!”