UPS SVEN Pro 400, linear-interactive, automatic voltage regulator, 240W, 400Va, 2 eurosockets, black, dimensions 100 х 295 х 145mm, 3.6kg.

400VA/240W, LED, AVR, 2*Schuko, металлический корпус, black

400VA/240W, LED, AVR, 2*Schuko, металлический корпус, black

step-type regulator, digital indicators of voltage levels, 500VA, 140-260V, maximum input current 5A, 2 eurosockets, IP-20, floor standing, 200mm x 150mm x 140mm, 2.3kg.

UPS, line-interactive, 650VA, 360W, 2 euro sockets with backup power, battery 12V 7 Ah

step-type regulator, digital indicators of voltage levels, 1000VA, 140-260V, max input current 7A, 1 eurosocket, IP-20, mounted version

стерео, суммарная мощность 36 Вт, двухполосные колонки, материал корпуса колонок: MDF, диапазон частот 40 - 18000 Гц

Колонки SVEN SPS-517 обладают стильным корпусом и оптимальными размерами, подходящими для того, чтобы удобно разместить их на столе. По своим параметрам колонки идеально подходят для подключения к компьютеру. Для этого в их конструкции предусмотрен интерфейс USB. Динамики колонок имеют достаточный размер в диаметре (60 мм), чтобы обеспечить хорошее звучание. Корпус колонок изготовлен из МДФ, что косвенно влияет на чистоту звука: при высокой громкости вы не услышите неприятного дребезжания или другого постороннего шума. Колонки SVEN SPS-517 передают звук довольно высокого качества благодаря общей выходной мощности в 6 Вт (по 3 Вт на каждую колонку). Также на качество звучания влияет диапазон воспроизводимых частот – от 100 до 20000 Гц. Колонки неплохо передают звучание различных музыкальных жанров, а также звук в фильмах или видеороликах. Регулировка громкости может осуществляться с помощью поворотного механизма, размещенного на боковине одной из колонок.

Tips and techniques to build interactive learning into lecture classes Have you ever looked out across your students only to find them staring at their computers or smartphones rather than listening attentively to you? Have you ever wondered what you could do to encourage students to resist distractions and focus on the information you are presenting? Have you ever wished you could help students become active learners as they listen to you lecture? Interactive Lecturing is designed to help faculty members more effectively lecture. This practical resource addresses such pertinent questions as, “How can lecture presentations be more engaging?” “How can we help students learn actively during lecture instead of just sitting and passively listening the entire time?” Renowned authors Elizabeth F. Barkley and Claire H. Major provide practical tips on creating and delivering engaging lectures as well as concrete techniques to help teachers ensure students are active and fully engaged participants in the learning process before, during, and after lecture presentations. Research shows that most college faculty still rely predominantly on traditional lectures as their preferred teaching technique. However, research also underscores the fact that more students fail lecture-based courses than classes with active learning components. Interactive Lecturing combines engaging presentation tips with active learning techniques specifically chosen to help students learn as they listen to a lecture. It is a proven teaching and learning strategy that can be readily incorporated into every teacher’s methods. In addition to providing a synthesis of relevant, contemporary research and theory on lecturing as it relates to teaching and learning, this book features 53 tips on how to deliver engaging presentations and 32 techniques you can assign students to do to support their learning during your lecture. The tips and techniques can be used across instructional methods and academic disciplines both onsite (including small lectures and large lecture halls) as well as in online courses. This book is a focused, up-to-date resource that draws on collective wisdom from scholarship and practice. It will become a well-used and welcome addition for everyone dedicated to effective teaching in higher education.

450VA/240W, LED, AVR,2*Schuko, металлический корпус, black