Check the listing for details. CONZERV EM6400 Digital Energy Meter Used - Low Tariff. Condition: Used, Made in India. Listed at 129.00 USD. Condition: Used — CONZERV EM6400 digital energy meter (low tariff). Product: CONZERV EM6400 digital energy meter, listed for marine use by SKY STAR MARINE. Seller assurances: 100% Genuine Products, Top Rated Plus Seller from India, Free & Fast Shipping, 30 Days Return Policy. Shipping: Orders shipped within 24 hours; heavy items need three working days; international shipping via FedEx and DHL (DAP). Returns: Most items returnable within 30 days in original box and accessories; refunds after inspection; free return shipment covered by seller when seller error applies. Payment & duties: PayPal, wire transfers, credit cards, manual TT via eBay Managed Payments; buyer pays import duties, VAT, and customs outside India. .