Detailed description:: Product Name: Mini Carbon Monoxide Detector Material: ABS Size: 134.5×32.5×16mm Display: 1.1-inch LCD backlight Detection range: 0-999ppm Battery: 2×1.5V AAA battery (not included) Response time: ≤500ppm: about 5 seconds ＞500ppm: about 2 seconds Alarm mode: analog bar, red backlight and buzzer Color (Optional): Black, White Notes: 1.Tysrjsv There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 50.Please allow slight dimension difference due to manual measurement. [107 Pieces Crochet Hooks Kit]Tysrjsv Crochet Hooks Kit provides 107 pieces of different accessories, including 14pcs aluminium hooks (2mm-10mm); 9pcs rubber handle hooks (2.0mm-6.0mm); 5 wool, 40 marker needles, 38 knitting accessories,1 storage box. It can meet various needs for making knitting crafts. [Lightweight and Portable] The crochet hooks are made of high quality aluminium, lightweight and durable, ergonomically designed for a comfortable grip, reducing hand fatigue, finger and wrist stress. The crochet kit is portable and can easily fit into backpacks, suitcases, etc. [Multi-functional Storage Box] Organise all crochet accessories in one bag to avoid losing them. The storage bag is made of waterproof material, durable and not easy to get dirty. There is a carrying handle on the top of the storage bag, easy to carry. [Perfect Gift]Tysrjsv The crochet kit provides everything you need to start learning to crochet. Easy to learn and use, perfect needle set for beginners or skilled. It's perfect for mums, grandmothers or anyone who enjoys crochet crafts or knitting! Perfect for Christmas, birthdays, Thanksgiving. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service.