clar N is a wireless high-performance head mirror built-in battery compartment with LED lighting or 6V vacuum lamp. The headband is infinitely adjustable, offering high level of wear-comfort for practitioners without fatiguing operation even after long periods of use. The removable inner pad is washable for comfortable insertion and removal. The headband with integrated battery compartment can be ordered either for lithium CR 123A batteries or NiMH batteries with plug-in charger 230V / 120V.