Stereo Music Spectrum Home Audio Display With A Dual Channel Led Sound Level Parameters Brand: Douk Audio Model: AK_DB24D_PRO Signal acquisition: line input (integrated with USB power interface) Display mode: AGC / DB Display color combination: 10 kinds Display effects mode: 4 kinds 1. Main bar+ Peak dot fall after staying. 2. Main bar+ Peak dot disappears after staying. 3. Main bar only 4. Main bar only one dot Display speed: Main bar rising and falling speed (15 levels) Peak dot stay time (15 levels) Peak dot falling speed (15 levels) Brightness: 15 levels adjustable Working voltage: DC 5V Power interface: Micro-USB Material: One-piece molding and anodizing Software supported: ambient noise filtering Dimensions(W*D*H): 51*21*85mm / 2.00*0.83*3.35in LED screen size(W*D): 70*41mm / 2.76*1.61in Net weight: 138g / 0.30lb Package weight: 300g / 0.66lb Packing List 1x AK_DB24D_PRO Sound Level Meter 1x USB 3.5mm Cable 1x 1:2 3.5mm AUX Cable Product Features Accurate sound level meter with DB display: adopts dedicated LED display screen, 24 RGB LED lamp beads on each channel also with 24-level DB indicator display, incomparably and perfectly make music alive, decorate your listening space. Line input integrated with power interface: equipped with 1x USB 3.5mm cable and 1x 1:2 3.5mm AUX cable, compatible with your phone/PC/game player/speaker, easily to see the music level status in real time and every slight change of sound can be shown visually. Support both AGC DB display: AGC mode ensures ideal visual effects even the input signal is in a small to large range, avoid that no display when input low signal and display in full screen when input high. DB display can truly show the input level, suitable for professional occasions such as a recording studio or when testing a certain sound level. Many adjustable items display effects: the brighntness, the falling speed of main light column, the holding time and the falling speed of the peak can be adjusted separately. 4 kinds of sound level meter display effects and 10 kinds of display color for free choice, and all settings with power-off memory function, no need to set again after restarting. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!