WBXT Transmitter and Sensor corded - NewNote: WBTX – 345 has been discontinued.

The Wireless WaterBug® Sensor is a water detection device ideal for computer rooms, document storage areas, warehouses, sump pumps and basements. Wireless sensors activate the alarm when a conductive bridge is formed between 2 contacts. The WBTX will effortlessly protect your most valuable assets from water damage!


  • Water Detection when liquid makes contact with probe
  • Contacts above floor level to prevent false floor condensation detection
  • Checks for water constantly, requires two positive checks for a valid alarm
  • Wireless sensors are available in 319MHz and 345MHz

Product Specifications

Power Requirements Batteries – replace battery with exact replacement every 5 years 
with a 3V Lithium (x2)
Wireless Signal Range 600 ft (200M), open air
Code Outputs tamper, tamper restore, alarm, alarm restore, low battery 
Transmitter frequency 319.5 MHz  or  345 MHz
Supervisory keep-alive interval 70 minutes
RF Peak field strength Typical 36000 uV/m at 3m
Operating Temperature      32° to 122°F (0° to 50°C)
Storage Temperature -40° to 140°F (-40° to 60°C)
Transmitter Dimensions 2.5” H x 1” W x .5” D
Max cable length 72″
Package Weight .158 lbs.
Mounting Mount to wall surfaces (vertical) as well as floor surfaces (horizontal) using screws
or adhesive tape included.
Case Material ABS
Warranty 1 Year Limited

Spec Sheet for WBTX-319 and WBTX-345
Wireless WaterBug Sell Sheet  

Quick Start Guide 319

Quick Start Guide 345

WBTX Installation Instructions

Prop 65 Notice for Californians