B117 50/200kHz 600W Mix & Match 0 DeadriseAirmar's entry-level B117 features a single, 50/200 kHz, dual-frequency, ceramic element in a low-profile bronze housing. The nearly-flush design minimizes drag with only 5 mm (3/16") extending outside the hull.Features:Depth only or depth and fast-response water-temperature sensing; 600 W of power; Dual-frequency element:; 50 kHz with a wide 45 beamwidth for depth performance to 353 m (1200'); 200 kHz with a 12 beamwidth for depth performance to 206 m (700'); Right-angle cable exit saves space and protects the transducer if stepped on; The included rubber washer allows tightening of the hull nut to irregular hull surfaces; Low-profile, bronze housing has minimal drag; Plastic (P319) and stainless steel (SS60) models are also available to accommodate all hull materials; Specifications:Power Rating: 600 W; Max Deadrise Angle: 12; Housing: Bronze; Functions: Depth, Temperature; Hull Material: Fiberglass or wood; Max Vessel LOA: Up to 8 m (26'); Hole Size: 51 mm (2"); Acoustic Window: Urethane; Common Use: Leisure/Yachting, Fishing; Conventional Beam: 45/12; Max Deadrise: Best performance through 7. Accommodates up to 12; Max Depth: Low frequency- 366 m (1200'), High frequency- 206 m (700'); Mounting Style: Low Profile Thru-Hull; Retractable housing: No; Single or Dual Frequency: Conventional Dual Frequency; Weight: 0.9 kg (2 lbs.); This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Specifications: Chirp: No; Imagining: Standard; Mounting Style: Thru-Hull; Speed Included: No; Temperature: Yes; Box Dimensions: 3"H x 6"W x 8"L WT: 2.6 lbs; UPC: 801769000238;