● Receiver Size : 79 * 79 * 21MM Transmitter size : 74 * 44 * 24MM
● Remote control Power : u003c10mw
● Receiver Rated voltage : AC 220V 50Hz / 60Hz
● Receiver controllable volume : 0-80dB ( a six-speed volume adjusted humanized design adjustable to Mute )
● Receiver Standby current : u003c1.0mA
● Receiver Plug: winning line plug
● Operating frequency : 315MHz ± 2MHz
● Accessories: Transmitter built- 12V 23A alkaline battery ( factory fitted about a year with a normal general supermarkets， shopping malls are sold )
● Packaging: plastic dual -sided color card mounted ， the "green dot " logo green packaging

■■ Features ■■
◆ European design style， fashion， simple ， a sight to behold ;
◆ PC Optional 48 polyphonic music ( built- in stereo amplifier speakers )
◆ industry-leading 280 m super far remote / receiver distance ( actual received signal varies depending on the environment due to obstructions different signals are different， but this section is the best wireless doorbell signal a )
◆ transmitter button waterproof structure design ( doorbell waterproof design best one )
◆Humane six adjustable volume
◆ Never wear the transmitter touch of a button
◆ digital circuit design ， stable and reliable performance ;
◆ Katya Adams doorbell products meet quality certification standards， Katya Adams doorbell products as a radio frequency transmission systems and equipment without harmful effects on the environment and does not harm personal safety.

■■ Product Description ■■
◆ humane simple design ， no professional or installation help people ， completely eliminating renovation expenses， free Zaoqiang ， insert conventional socket can be used indoors ， can move the installation location.
◆ wireless high-frequency transmitter technology， innovative with different codes and dialing code frequency function ， a machine a code error rate of zero sound ， effective way to avoid mutual interference between the neighborhood and mistakenly rang annoyance.
◆ open area straight through rigorous testing remote distance of not less than 280 m ， the barrier effect is far better than similar products in the industry to meet the needs of different family environment ， the average family of about 50 meters is sufficient.
◆ remote control transmitter button long life waterproof design ;
◆ exclusive use of a new generation of constant voltage circuit design to achieve a highly efficient energy-saving effect ， increase the service life of more than 50% effective .
◆ doorbell consumes less than 3W， 23A transmitter with 12V volt battery（not include）， no power is not pressed ， the normal use of up to one year ( laboratory tests ， according to 30 times a day to use ) .
◆ In the electromagnetic interference ， mounted on top of a closed iron gate ， shielded phenomenon ， dry weather and humidity conditions， there is no time to replace the battery exhaustion and other environmental factors will affect the use of the wireless doorbell .
◆ widespread use， except as an ordinary doorbell ， but also can serve as liaison ， paging ， patient care， emergency notification and other special purposes .

■■ Cautions ■■
◆ Try to use high-quality alkaline batteries， avoid using the battery life is short and easy to leak electrolyte ordinary carbon-zinc batteries.
◆ non-professionals do not open repair， so as not to damage delicate electronic components.
◆ Try to avoid getting wet in the rain Product device directly ， prolonged exposure， close to where metal objects .
◆ proper use of this product， you can effectively extend the service life.
◆ The actual remote control distance depending on use environment factors interfere vary.
◆ Katya Adams trademarks and product design and packaging patents have been registered documented ， counterfeiting .

■■ installation method ■■
◆ Used flathead screwdriver screwdriver to pry open the transmitter ， you can use the random distribution of double-sided adhesive stickers， or punched with screws.
◆ When dismantling the transmitter installation ， be careful not to touch the electronic components， do not invert the vertical direction .
◆ transmitter uses a 12-volt 23A battery（not include）， remove the insulation before using plastic spacers . When the signal transmitting and receiving less sensitive ， replacement transmitter battery can solve the problem.
◆ receiver into a conventional socket can be used indoors .

■■ Scope ■■
Katya Adams freely exchange digital wireless doorbell installed ， the button can be mounted can be attached ， suitable for homes， offices， hotels ， buildings ， dormitories， factories， construction sites ， or any space in need of services ， as long as you like， never missed any one visiting person . Digital spirits， happy to expand !

■■ Katya Adams doorbell innovative design ■■
◆ "36 song " Life luster
A music that is a state of mind ， Katya Adams products included global polyphonic music up to make your life always full of new ideas.
◆ " volume control " your heart set
Based on customer habits， we set up six volume set your heart to fully meet the modern personalized home environment.
◆ " Long receive " the new darling of the large space
Repeated scientific laboratory and field tests to ensure the normal ， signal penetration and stability of complex environments are leading the industry ， 280 meters long receiving distance ， large space into a family room and more new darling.
◆ " waterproof " extend the life of
Innovative product design ， completely prevent water intrusion ， effectively extending the life of the product .
◆ " never wear " practical value
Industry innovation in all touch of a button ， the normal use of more than 100，000 times ， according to 20 times a day ， the average life expectancy over 13 years