Page Views: 154 Date Added: 07/28/2011 Last Updated: 07/28/2011 Expiry Date: 07/25/2021 Product/Service Details Recordable auto-sensing playback doorbell Model: AH33-MGL Library No.M380492 I. Features:Recordable doorbell sensor, built-in infrared motion detectors and audio playback chip, when it was found that monitoring activities within the region, immediately broadcast pre-recorded voice or music, can replace the instructors work for galleries, museums and other places .2, the technical performance: 1), the working methods: infrared detectors to monitor the distance ≤ 15 m, 110-degree horizontal viewing angle in front of the fan angle, looking down the vertical viewing angle of 45 degrees along the horizontal fan angle, angle edge detection distances. When they find someone to monitor activities within the region, the speaker immediately pre-recorded voice or play music. Find someone to monitor activities within the region, immediately broadcast pre-recorded language or music.2), broadcast content: from computer download, computer recording software can record a variety of languages ​​and music.3) playback format: MP3. , storage capacity: built-in 64M U-disk. Larger capacity products can be customized.5), Play mode: each player will automatically start playing the next song, cycle to cycle. For example: In one song recorded, the next bell was still playing the song. Recorded two songs in, the first bell to go to work first as a second work first as a bell. Recorded three songs in, the first song as a preparatory school bell, the second as the first bell, and the third as the first school bell.6) Play time: the length of time depends on music.7), Music power: ≤ 10W.8), frequency response: 120Hz ~ 12KHz.9), sound pressure sensitivity: 90dB.10) Number of speakers: a tweeter, bass 1.11), divider type: 2 divider.12), operating voltage: AC220V.13), size: 275 × 200 × 100mm.

Company Information (Midwest Group)

Company Profile: Midwest Group is one of the largest manufacturer and supplier of measuring and electrical instruments and equipments as well as high tech products in China, which has been engaged in these fields since 1988 with about 1,000,000 kinds of products. It is an enterprise group that integrated with manufacturing, technology development, international trade, engineering consulting and maintenance services. There are many offices, joint ventures, and subsidiary companies both home and abroad. We insist on the policy that seeking development through new and high technology and constantly cooperate with domestic and international manufacturers and with scientific research institutions. Our products spread all over the world with strong capability, good prestige, fine quality, rational price and thoughtful service. The products are applied to the fields of environmental protection, chemical industry, petroleum, steel, papermaking, electricity, metallurgy, machinery, coking, pharmacy, optics, communication, scientific and technological education, medical and health. We can not only offer customer the most extensive products option in the aspects of product character and price, but also offer users scientific and technological information swiftly. We have specialized technical staff and research department, offer Omni-directional services to customer, such as consultation, training, after-sale service and maintenance.. >> More Website URL: http://www.bridgat.com/u37205