ABOVELIKE We Collect We Sell SKU:EL00791 TESTO 184 H1 USB Genuine Parts Model: 184 H1 Interface: USB-A SOUND LEVEL CALIBRATOR Testo P/N: 0554 0452 Calibrator, for regular calibration of testo 815, testo 816, testo 816-1 Technical Data: Sound Pressure Accuracy 0.5 dB in accordance with Class 2 to IEC 60942 General technical data Battery type 9V block battery Battery life 40 h Frequency 1,000 Hz Sound pressure level 94 dB/114 dB, switchable Miscellaneous Also suitable for 1/2 and 1 inch microphones by other manufacturers MORE ITEMS ON ABOVELIKE GENUINE TESTO 184 H1 USB HUMIDITY AND TEMPERATURE DATA LOGGER FOR MONITORING ITEM DESCRIPTION ABOVELIKE We Collect We Sell SKU:EL00791 TESTO 184 H1 USB Genuine Parts Model: 184 H1 Interface: USB-A SOUND LEVEL CALIBRATOR Testo P/N: 0554 0452 Calibrator, for regular calibration of testo 815, testo 816, testo 816-1 Technical Data: Sound Pressure Accuracy 0.5 dB in accordance with Class 2 to IEC 60942 General technical data Battery type 9V block battery Battery life 40 h Frequency 1,000 Hz Sound pressure level 94 dB/114 dB, switchable Miscellaneous Also suitable for 1/2 and 1 inch microphones by other manufacturers PAYMENT SHIPPING RETURNS CONTACT US FEEDBACK PAYMENT 1.We use payment. 2.Please make sure shipping address on your account is correct and up-to-date. 3.If you purchase multiple items from us, please pay them together with one payment instead of paying them individually so that we can ship them in one package. SHIPPING Items will be shipped within 1-3 days after receiving full payment via SpeedPAK Standard. Estimated shipping times are approximately 8 to 12 business days to the United States ,9 to 25 business days to the ohter countries.The tracking number will be promptly updated in your order details. If you prefer express shipping (e.g., FedEx, DHL, EMS), please contact us.We do not cover customs duties for your package; please pay any local taxes by yourself. We will do our best to assist you. We offer combined shipping payments. RETURNS We offer a 30-day return and exchange service, and the return shipping costs are to be paid by the buyer. Returned items must be in acceptable condition, excluding any physical damage caused during shipping. If you need assistance with warranty and returns, please email us . CONTACT US Please feel free to email us directly at abovelike AT 163 dot com or send us a message through the messaging system. We will respond promptly. FEEDBACK We appreciate your positive feedback, and we would be grateful if you could give us a "five-star" rating for our "detailed seller rating." If you are dissatisfied with our products or services for any reason, please contact us before leaving neutral or negative feedback. We will strive to resolve the issue to the satisfaction of both parties.