This premium, solid, silicone triple probe is an accessory for the complete strap-on system. It flexes and moves with you. A flanged base can be used with most harnesses. Dual motors feature powerful functions of vibration, pulsation and escalation. Controller with a memory chip resumes the last function used. Lengths: 5 in. shaft, 4 in. probe, 1.75 in. rabbit. Bulk weight 11 oz. Requires 2 AA batteries.