Input voltage MIN: 2s LiPo; MAX: 3s LiPo * Operating environment: Waterproof design allows for use in nearly any environment * Size: L: 1.93" (49mm), W: 1.48" 38mm), H: 0.79" (20mm) * Weight: 1.96 oz., 55.5 g * Reversible: Yes - with lockout