الوصف

Description & Application The EWV***5 is a system used in power plant, substation, military control area, fire passage and so on. When the detect area has people go in, it will play the voice to alarm people. User also can control alarm voice directly, switch on will play voice(one switch to one message, most 8 switchs). And voice can be recorded or deleted by user. The system has four parts, 1. MCU, control the system; 2. Infrared sensor, detect persons; 3. Voice unit, has voice chip and SPI flash memory(most 8 messages); 4. Power unit, transfomation and supply the power to system. EWV***5 has a wide detect area, high quality sensor, high quality sound, low power consumption, it can be used in a lot of area that need voice alarm. Technical parameters(all can customize) 1.Power: **0V/AC ***** voice duration: ******9 sec ***** voice message: **8 message *****: *5W *****: ≤*5W