... surveillance equipment you can't miss.Product Features:Dimensions : 50mm x 40mm x 15mmSIM Card slots - work with all GSM SIM cardEmbed ... the boot or shut down in the state, touch the “X” labels.Boot:Open the back cover, insert the SIM card ... answer call.Package include :1 x Two-Way Audio Device 1 x USB Cable 1 x Power Charger 1 x User Menu Solar 2-way ...