The design is the overall shape and ornament of the FIRE DETECTION DEVICE shown in the Drawings.Drawings of the design are included, in which:Figure 1 is a bottom plan view of the FIRE DETECTION DEVICE;Figure 2 is a top plan view thereof;Figure 3 is a back elevational view thereof;Figure 4 is a right side elevational view thereof;Figure 5 is a left side elevational view thereof;Figure 6 is a front elevational view thereof;Figure 7 is a bottom, front and right side perspective view thereof;Figure 8 is a bottom, front and right side perspective view of a first variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 9 is an enlarged view of the display portion of the first variant of the FIRE DETECTION DEVICE;Figure 10 is a bottom, front and right side perspective view of a second variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 11 is an enlarged view of the display portion of the second variant of the FIRE DETECTION DEVICE;Figure 12 is a bottom, front and right side perspective view of a third variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 13 is an enlarged view of the display portion of the third variant of the FIRE DETECTION DEVICE;Figure 14 is a bottom, front and right side perspective view of a fourth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 15 is an enlarged view of the display portion the fourth variant of the FIRE DETECTION DEVICE;Figure 16 is a bottom, front and right side perspective view of a fifth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 17 is an enlarged view of the display portion of the fifth variant of the FIRE DETECTION DEVICE;Figure 18 is a bottom, front and right side perspective view of a sixth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 19 is an enlarged view of the display portion of the sixth variant of the FIRE DETECTION DEVICE;Figure 20 is a bottom, front and right side perspective view of a seventh variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 21 is an enlarged view of the display portion of the seventh variant of the FIRE DETECTION DEVICE;Figure 22 is a bottom, front and right side perspective view of an eighth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 23 is an enlarged view of the display portion of the eighth variant of the FIRE DETECTION DEVICE;Figure 24 is a bottom, front and right side perspective view of a ninth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 25 is an enlarged view of the display portion of the ninth variant of the FIRE DETECTION DEVICE;Figure 26 is a bottom, front and right side perspective view of a tenth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 27 is an enlarged view of the display portion of the tenth variant of the FIRE DETECTION DEVICE;Figure 28 is a bottom, front and right side perspective view of an eleventh variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 29 is an enlarged view of the display portion of the eleventh variant of the FIRE DETECTION DEVICE;Figure 30 is a bottom, front and right side perspective view of a twelfth variant of the FIRE DETECTION DEVICE. The bottom plan view, top plan view, back elevational view, right side elevational view and left side elevational view are identical to the corresponding views in Figures 1, 2, 3, 4 and 5 noted above;Figure 31 is an enlarged view of the display portion of the twelfth variant of the FIRE DETECTION DEVICE.