Features: DT-81200 Series Viewfinder Style Complax Dual-tech Detector of Infrared & Microwave. Technical Parameter: Model: DT-8120 / DY- 8140 / DT-8160 Detecting Distance: 6m x 6m / 12m x 12m / 18m

Size: 200x120x235mm (5x8``) Power Rating : 30W Tone : Two Tone S.P.L. : 120dB/M *************************************** Size : 200x120x235mm Power Rating : 30W Tone : Yelp & New Sound S.P.L. : 120d

ES-34 Size : 90mm Dia X 105mm ES-44 Size : 100mm Dia X 105mm Power Rating : 15W/20W Tone : 1-T or 6-T Rated Volt : 12VDC S.P.L. : 15W 115dB/20W 118dB/M

Size: 100 X 100 X 55mm Power Rating: 15W Rated Voltage(DC): 12V S.P.L.: 110 dB/M

1.)MC-39(NO) : 23x14x6mm 2.)MC-39(NC) : 23x14x6mm 3.)MC-64(NC) : Dia 11x21mm 4.)MC-65(NC) : 54x14x15mm Some items have other colors(ex:White, Gray, Dark Brown).

1.)MC-37(NO) : 34x14x6.5mm 2.)MC-38(NO) : 27x14x8mm 3.)MC-38(NC) : 27x14x8mm 4.)MC-39A(NC) : 23x14x6mm(With Jack) 5.)MC-61(NC) : 62x15x18mm 6.)MC-62(NC) : 62x15x18mm Some items have other

1.)MC-32(NC) : 64x12.8x12.8mm 2.)MC-33B(NC) : Dia 11x17mm 3.)MC-35(NC) : Dia11x33mm 4.)MC-36(NC) : Dia24x25mm Some items have other colors(ex:White, Gray, Dark Brown).

1.)MC-31(NO/NC) : 64x19x13mm / 64x12.8x12.8mm 2.)MC-31(NC) : 64x19x13mm / 64x12.8x12.8mm 3.)MC-32(NO/NC) : 64x12.8x12.8mm 4.)MC-34A(NC) : Dia 6.5x14mm(Metal parts) / Dia 6.35x14mm 5.)MC-34B(NC)

Reed Switch Design : (a)Closed Loop (b)Open Loop (c)NO/NC/COMM Size: 51 X 15 X 13mm (NO) Size: 33 X 8 X 9mm (NO) Size: 40 X 10 X 12.5mm (NO) Size: 9 Dia X 33mm (NO) Size: 19 Dia X 18mm (NO)