Goodsmann Photo Eye, Light Sensor, Photo Cell For Power Pack Transformer, 01 Product Details Fit a wide range of non-digital transformers 120 watts, 200 watts, 300 watts or 900 watts sold at GOODSMANN or other brands(Including most transformers on the market) Automatically turns lights on at dark and off during daylight hours Combine with timer on GOODSMANN power packs to customize On/Off cycle Durable weatherproof construction Includes wall mounting bracket Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.