RIDGID - 49338 - Transmitter, LED, Yellow, 10 to 490 KHz

Features
-¾ Distance - Induce over 8 times more current than traditional transmitters. More current means you can walk and trace further than ever before.
-¾ Versatility - Power options include Lithium-Ion 18 V rechargeable battery, six D-cell batteries, or an external 10-28 VDC power source.
-¾ Accuracy - Induce more current at lower frequencies. Lower frequencies are less prone to jump onto other lines in congested areas reducing distortion and increasing accuracy.
-¾ Speed - When used with a SR-24 Bluetooth-enabled locator, you can control the ST-33Q+ settings wirelessly from the SR-24 receiver. Change transmitted frequency remotely from up to 200 yards away.