Dongguan Manjianghong Electronics Co., Ltd.

15/07/2026

New! Multifunctional Wireless Weather Clock - Temp, Humidity, Calendar, Alarm in One

18/11/2025

2026 Summer Bestseller Arrives Early! Global Premiere – Pool Thermometer!

1. Featuring a minimalist design, this product combines IP68 highest-level protection with a large LCD screen display.

2. Achieves over a year of continuous use with just two AA batteries, eliminating the hassle of frequent battery replacements.

3. To meet diverse customer needs, this product is available for standalone sale or with an optional receiver.

Lowest price online – a rare opportunity!

This is guaranteed to be a bestseller; exclusive distributorships welcome!

01/11/2025

Manjianghong Electronics Triển lãm của công ty tại Việt Nam đang diễn ra sôi nổi

30/10/2025

Home & Garden suppliers and exhibitors live-stream at Alibaba.com Online Trade Show now.

02/09/2025

【 Essential for Home Furnishings 】 Smart temperature and humidity meter, guarding your healthy life!
🏠 Do you always feel stuffy at home? Too dry? Is it still too trendy?
👉 A compact intelligent temperature and humidity meter, immediately help you solve it!

✅ Accurate detection: Temperature range -9.9 ℃~60 ℃, humidity 10%~99% RH, small error, more reliable data
✅ Comfort tip: You can tell at a glance whether the environment is dry, comfortable, or humid
✅ 24-hour recording: automatically saves the highest/lowest values and keeps track of environmental changes
✅ Free placement/wall hanging: compact and space saving, can be monitored anytime, anywhere
✅ Dual unit switching: ° C/℉ switch freely, internationally recognized
✅ Authoritative certification: CE, FCC, ROHS are all complete, safer and more reassuring

💡 Low battery warning+2 AAA batteries to use（ ⚠️ The shipment does not include batteries.
A watch, guarding the health of the whole family, starting from the air we breathe!

👉 https://mjhclock.com/ Click to learn more and improve your quality of life!

Digital clocks, Food thermometers,Hygrometers thermometers, Weather station,Pressure gauges, VU meters,Smart sockets and other smart home products.

02/09/2025

【 Essential for Home Furnishings 】 Smart temperature and humidity meter, guarding your healthy life!
🏠 Do you always feel stuffy at home? Too dry? Is it still too trendy?
👉 A compact intelligent temperature and humidity meter, immediately help you solve it!

✅ Accurate detection: Temperature range -9.9 ℃~60 ℃, humidity 10%~99% RH, small error, more reliable data
✅ Comfort tip: You can tell at a glance whether the environment is dry, comfortable, or humid
✅ 24-hour recording: automatically saves the highest/lowest values and keeps track of environmental changes
✅ Free placement/wall hanging: compact and space saving, can be monitored anytime, anywhere
✅ Dual unit switching: ° C/℉ switch freely, internationally recognized
✅ Authoritative certification: CE, FCC, ROHS are all complete, safer and more reassuring

💡 Low battery warning+2 AAA batteries to use（ ⚠️ The shipment does not include batteries.
A watch, guarding the health of the whole family, starting from the air we breathe!

👉 https://mjhclock.com/ Click to learn more and improve your quality of life!

31/07/2025

Master water tank level and temperature at one hand📊, high and low alarms are super considerate​Backlight + time function⏰, convenient and practical to use​100m wireless transmission📡, data is transmitted in real time without delay​Water level bar chart displays intuitively📏, accurate measurement in 1~5m range​IP65 protection against splashes💧, multiple power supply methods for you to choose

18/07/2025

A device integrating water level monitoring, high and low liquid level alarm, dual temperature display and wireless remote transmission, suitable for liquid level/temperature management in various scenarios such as water tanks, water towers and water pools.

07/07/2025

Did you crash from the alarm clock? ⚡ Vibration awakening+cute pet healing is the real antidote!
Subtitle: Three levels of vibration+snooze mode | 1200mAh for 45 days | Child lock+Type-C charging