Currently, the doorbell products on the market are mostly one-way voice and imitate wired doorbell and some simple sonnaille wireless doorbell products. Wired doorbell wiring needed, not only cost manpower, but also affect the room beautiful, especially with regard to housing such as the courtyard sonnaille of the villa, but also shows its limitations. While endangering the lives of various people's wealth, social stability and security of the meritorious also emerging, the new situation of the existing doorbell security system raised sonnaille new challenges. It is not only an urgent need for a safe reliable image clarity, call reliable, accurate display, high sensitivity and unique appearance, novel appearance, etc. in one of the intelligent products, thereby wireless intercom doorbell install other security preparedness of our 朗瑞特The main objectives. Trade in one hundred letters Technology (Beijing) Co., Ltd., established in 2009, is an independent research and development, consumer spending and sales of high-tech enterprises. Enterprises in order to improve the quality of human life for the first goal, under the brand "Langrui Te" series brand. Building energy conservation and environmental protection related fields have some inquiry, and brought together a world-class R & D team, determined sonnaille to become the leading market trends, technology wrist "barometer." The professional, honest business philosophy really be pragmatic words. "Langrui Te" doorbell products with identification, color video, building intercom, smart gated, camera and other functions, sonnaille attractive appearance, to meet the different needs of consumers. The traditional wired doorbell doorbell are using lunch, then everyone's great central life. If the compound or in the wealthy homeowners often can not hear the door bell, and sometimes can not be always sonnaille receiving visitors, it is embarrassing. Now introduce how to make a wireless remote control doorbell, lunch masters in use around the room, the doorbell button device on the door, visitors simply press the button on the living room, kitchen or bedroom acceptance host will sound "ding-dong" sound or the sound of music, loud and sweet, told a visitor from a few meters to tens of meters, are generally 15-20 meters distance. Wireless doorbell sonnaille (Langrui Te doorbell) great lunch the people's sonnaille lives. Wireless doorbell abundant application of modern technology to play with IC, so that greatly reduced sonnaille the cost of production, while useful than traditional wired doorbell many advantages, with a quick lunch specialties (physicians emotion emotional world)! Lang Reiter doorbell (Recruitment sonnaille agency: sonnaille 010-52663869 Address: sonnaille Chaoyang District, Beijing Gaobeidian Village in manager 95) using imported raw materials, lead-free, non-toxic, non-carcinogenic, LED lights tips and waterproof function, 48 16 polyphonic ring tones, computer group with millions of different frequency coding, no repeatedly, avoid false ringing and neighborhood disturbance between chagrin, more use of peer unique humanized four volume conditioning sonnaille design, you can set mute, ultra-low power, the battery can be used for one year (1 day 20 calculations), barrier-free remote control of up to 350 meters, Lang Reiter wireless doorbell can also be used pager mobility between people and friends, white-collar apartments, office buildings and office Ideal for caring relatives and friends.
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