|   | PT-2725FPQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 2.5khz 3terms, 3mm terms | 
    |   | PT-2725FPLQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 2.5khz 3terms, 6mm terms | 
    |   | PT-2735FPLQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 3.5khz 3terms, 6mm terms | 
    |   | PT-3534FPQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 3.4khz 105db, 3terms, 39x20 | 
    |   | PT-2728FPQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 2.8khz 3terms, edge mount | 
    |   | PT-3529FPQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 2.9khz 90db, 3terms, 42x16 | 
    |   | PT-2726FPQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts xducr, piezo, 2.6khz 3terms, 90db, 30x10 |