// Disable Ctrl+U and Ctrl+P document.addEventListener('keydown', function (e) { // Disable Ctrl+U if (e.ctrlKey && e.key.toLowerCase() === 'u') { e.preventDefault(); alert("wrong key."); } // Disable Ctrl+P if (e.ctrlKey && e.key.toLowerCase() === 'p') { e.preventDefault(); alert("wrong key."); } }); document.addEventListener('keyup', (e) => { if (e.key === 'PrintScreen') { // Create a div element that covers the entire screen const blankScreenDiv = document.createElement('div'); blankScreenDiv.id = 'blank-screen-overlay'; // Add an ID for easier reference blankScreenDiv.style.position = 'fixed'; blankScreenDiv.style.top = '0'; blankScreenDiv.style.left = '0'; blankScreenDiv.style.width = '100vw'; blankScreenDiv.style.height = '100vh'; blankScreenDiv.style.backgroundColor = 'black'; // Or any color you prefer blankScreenDiv.style.zIndex = '99999'; // Ensure it's on top of everything // Append the div to the body document.body.appendChild(blankScreenDiv); // Attempt to clear the clipboard (not guaranteed to work in all browsers/contexts) navigator.clipboard.writeText(''); // IMPORTANT: To keep it blank until refresh, we do NOT remove the div here. // It will persist until the page is reloaded or navigated away from. } }); document.addEventListener('keydown', function(e) { // Check for Ctrl+S (or Cmd+S on Mac) if ((e.ctrlKey || e.metaKey) && e.key === 's') { e.preventDefault(); // Prevent the default browser save action alert('wrong key.'); } }); document.addEventListener('contextmenu', function(e) { // e.preventDefault(); // Uncomment to disable right-click entirely }); // Disable text selection document.addEventListener('selectstart', function (e) { e.preventDefault(); }); // Disable keyboard copy shortcut (Ctrl+C, Command+C) document.addEventListener('keydown', function (e) { if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'c') { e.preventDefault(); } });
Avtron AP-W35(-B-W) | 30W Outdoor Wall Speaker
The Avtron AP-W35(-B/-W) 5.25" 2-Way Outdoor Wall Mount Speaker is a robust audio solution engineered for commercial public address and outdoor background music applications.

Avtron AP-W35(-B-W) | 30W Outdoor Wall Speaker

The Avtron AP-W35(-B/-W) 5.25" 2-Way Outdoor Wall Mount Speaker is a robust audio solution engineered for commercial public address and outdoor background music applications. Designed to withstand extreme weather conditions with an IP66 waterproof rating, this speaker features a 5.25" weatherproof woofer and a 1” silk tweeter for clear, high-quality sound. It offers versatile power output options (30W, 15W, 7.5W, 3.8W & 8Ω) and comes housed in a durable ABS enclosure with a corrosion-resistant aluminum grille and stainless-steel mounting bracket, available in both black and white finishes. A waterproof cable gland ensures secure outdoor wiring. Ideal for use in commercial buildings, school campuses, and public paging systems, the AP-W35 delivers reliable performance with long-lasting durability.

Visit: https://avtrontech.com/products/ap-w35-b-w-30w-outdoor-wall-speaker-outdoor-wall-mount-speaker/

 

disclaimer
AVTRON Technologies LLC, founded in 2006, specializes in video surveillance, thermal imaging cameras, UTP solutions, and public address systems. We design customized products for sectors like defense, healthcare, education, and retail. Our thermal cameras and PA systems meet global standards, including UL, CE, and BIS. With a presence across continents, we deliver innovative, reliable solutions to protect people and properties worldwide. Visit: https://www.avtrontech.com

What's your reaction?