ขาย Bj-3 AC 220 V LED ไฟสัญญาณเตือนภัย Buzzer 100db สีขาว k1mJ ราคาที่ดีที่สุด

Product Name: Buzzer; Model Nr.: BJ-3 Rated voltage: 220V AC Sound pressure: 100 dB Light color: red Overall size: 64 x 42 x 43 mm/ 2.5" x 1.65" x 1.7" (L x W x H) Support hole diameter: 3.4 mm Cable length: 180 mm Outer material: plastic Color: white Net weight: 30 g Package Content: 1 x flashing summer Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.