|   | AI-1440-TWT-24V-2-R | PUI Audio |   | 机电产品
        
        音频设备 | audio indicators & alerts 24vdc 18ma 87dba 4000hz | 
    |   | PK-20A35EWQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant, 3-24vdc 3.5khz, 95db, 28x25 | 
    |   | PK-21A31PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant, 3-24vdc 3khz, 85db, 24x14mm | 
    |   | PF-27A25PSQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts fast pulse, 4-24vdc 2.5khz, 95db, 30x16 | 
    |   | STA22702W | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts slow pulse, 12-24vdc 107db, back-UP | 
    |   | PK-27A35ERQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant, 3-24vdc 3.5khz, 95db, 37x24 | 
    |   | PF-35A29WQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts fast pulse, 4-24vdc 2.9khz, 95db, 42x16 | 
    |   | PFD-27N36WQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts constant/fast pulse 3-24vdc, 90db, 30x16 | 
    |   | PK-27A35EPQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant, 3-24vdc 3.5khz, 95db, 37x24 | 
    |   | PFD-21A29WQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant/fast pulse 3-24vdc, 85db, 24x14 | 
    |   | PF-21A29PQ | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts fast pulse, 3-24vdc 3khz, 85db, 24x14mm | 
    |   | PF-27A35WQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts fast pulse, 4-24vdc 3.5khz, 95db, 30x16 | 
    |   | PLD-27N36WQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant/slow pulse 3-24vdc, 90db, 30x10 | 
    |   | PL-27A35PSQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts slow pulse, 3-24vdc 3.5khz, 95db, 30x16 | 
    |   | PF-21A31PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts fast pulse, 4-24vdc 3khz, 85db, 24x14mm | 
    |   | PL-21A31PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts slow pulse, 3-24vdc 3khz, 85db, 24x14mm | 
    |   | PL-35A29WQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts slow pulse, 3-24vdc 2.9khz, 95db, 42x16 | 
    |   | PLD-27A35PQ | Mallory Sonalert Products Inc |   | 机电产品
        
        音频设备 | audio indicators & alerts constant/slow pulse 3-24vdc, 95db, 30x16 | 
    |   | PK-2316N04P-06Q | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts 3-24vdc, continuous 400hz 70db | 
    |   | PK-20A38P-01Q | Mallory Sonalert Products Inc |  | 机电产品
        
        音频设备 | audio indicators & alerts 3-24vdc, continuous PC pins 3800hz 105db |