Price:
US$11.07

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Overview and Specifications:

Ultra long distance 36 first 24 and spin music built-in amplifier stereo speaker ringtone crisp and sweet transmitter dustproof waterproof
■■Product Specifications ■■
● Receiver size: 142*97MM Transmitter size: 75*42MM
● Remote control power: lt,10mw
● Receiver controllable volume: 20-80dB (four-speed volume, any adjustment, user-friendly design)
● Operating frequency: 315MHz ± 2MHz
● Accessories: The transmitter has built-in 12V 23A alkaline battery 1 section (factory with one normal use for about one year, general supermarkets are available)
■■Features ■■
◆ European design style, stylish, simple,
◆ Computer-selected 36 24-string chords (built-in amplifier stereo speakers)
◆ 280 meters ultra-long remote control / receiving distance (the actual receiving signal changes depending on the environment, different signals are different due to obstacles)
◆ The structure of the transmitter button is waterproof (mainly moisture-proof, it can\\\’t be directly installed to the outside)
◆Humanized four-level volume adjustable
◆ The transmitter is not easy to wear when it touches the button
◆ Digital circuit design, stable operation and reliable performance,
■■Product Description ■■
◆ User-friendly and simple design, no need for help professionals or installers, completely free of renovation costs, free of wall cutting, free to move the installation location.
◆ Adopting wireless high-frequency transmission technology, innovative co-frequency code and dialing function, the error rate of one machine and one code is zero, effectively avoiding the troubles caused by mutual interference and false alarm between neighbors.
◆ The linear remote control distance of the open area has been strictly tested to not less than 280 meters, which can meet the needs of different family environments. The average household is about 50 meters.
◆ Long-life waterproof design of remote control transmitter button,
◆ The doorbell receiver uses low power. The transmitter uses a 12V volt 23A battery. It does not press and consume no electricity. It can be used for more than one year (laboratory test, 30 times a day).
◆ Environmental factors such as electromagnetic interference, installation on closed iron doors, shielding, weather and humidity, and timely replacement of batteries will affect the use of wireless doorbells.
◆ It has a wide range of uses. It can be used as a special doorbell, as well as special purposes such as contact, paging, patient care, and emergency notification.
■■Precautions for use ■■
◆ Please use high-quality alkaline batteries as much as possible to avoid the use of ordinary carbon-zinc batteries with short battery life and easy to leak electrolyte.
◆ Non-professionals should not open the repair without authorization to avoid damaging the delicate electronic components.
◆ Please try to avoid putting the product in direct rain, long exposure, and close to metal objects.
◆ Proper use of this product can effectively extend the service life.

◆ The actual remote control distance will vary depending on the environmental factors used.

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