This is a mini and portable DIY intelligent switch, it is can be used for different kinds of switch boxes. It can automate your home appliances with eWeLink APP via your smartphone or tablet or your voice control. Specifications: Item type: Switch Material: PC V0 Quantity: 1PC, 2PCS, 4PCS, 8PCS, 10PCS(optional) Input: AC100-240V 50.60Hz 10A Max Output: AC 100-240V 50/60Hz 10A Max Wi-Fi: iEEE 802.11b/g/n 2.4gigahertz Package weight: 1PC: 50g/1.76ounces 2PCS: 100g/3.52ounces 4PCS: 200g/7.05ounces 8PCS: 400g/14.1ounces 10PCS: 500g/1.1pounds Package size: 1PC: 60*50*25mm/2.36*1.96*0.98inches 2PCS: 100*60*25mm/3.93*2.36*0.98inches 4PCS: 200*60*25mm/7.87*2.36*0.98inches 8PCS: 400*60*25mm/15.7*2.36*0.98inches 10PCS: 500*60*25mm/19.6*2.36*0.98inches Note: 1.The antenna has b electricity inside, do not break the wire jacket. 2.To make sure the stable RF signal, please keep the wire away from the metal component in the switch box when wiring. Package list: 2PCS * Switch