"Hst-dfsbl depth transducer with temperature, Mfg.# 000-0106-77, 50/200Khz, 35/12 degree beam angles, With temperature sensor. Transom Mount "skimmer". Includes 20' Cable with blue Connector. Easy to install, the Lowrance HST-DFSBL dual-frequency transducer helps your fishfinder determine everything from water temperature to depth to fish hiding spots. The transom-mount 50/200 kHz transducer comes with a 25-foot power cable. The HST-WSU is compatible with the following fishfinders: HDS-10 HDS-5 HDS-5x HDS-7 HDS-8 LCX-110C LCX-111C HD LCX-112C LCX-113C HD LCX-17M LCX-20C LCX-25C LCX-26C HD LCX-27C LCX-28C HD LCX-37C LCX-38C HD LMS-335C DF LMS-337C DF LMS-339C DF iGPS LMS-480 LMS-525C DF LMS-527C DF iGPS X105C DF X107C DF X126DF X136DF X515C DF X-515C DF X59DF "
Easy to install, the Lowrance HST-DFSBL dual-frequency transducer helps your fishfinder determine everything from water temperature to depth to fish hiding spots. The transom-mount 50/200 kHz transducer comes with a 25-foot power cable.
The HST-WSU is compatible with the following fishfinders:

HDS-10
HDS-5
HDS-5x
HDS-7
HDS-8
LCX-110C
LCX-111C HD
LCX-112C
LCX-113C HD
LCX-17M
LCX-20C
LCX-25C
LCX-26C HD
LCX-27C
LCX-28C HD
LCX-37C
LCX-38C HD
LMS-335C DF
LMS-337C DF
LMS-339C DF iGPS
LMS-480
LMS-525C DF
LMS-527C DF iGPS
X105C DF
X107C DF
X126DF
X136DF
X515C DF
X-515C DF
X59DF