... efficiency(80%), low temperature, Built-in EMI filter, low ripple noise ,100% burn-in test. Features: 1. High efficiency, 80%, low temperature 2. ... Built-in EMI filter, low ripple noise 3. 100% full load burn-in ... to terrible ambiance; 6. With PWM technology, safe isolated-style design; 7. Suitable for LED strip and moving sign applications ...