Over current Protection. OVP: Over Voltage Protection. OTP: Over Temperature Protection. SCP: Short Circuit Protection. Light and portable,this product is easy to carry and use as a replacement,small size ensure good quality performance. Warning: Please check the socket size, power consumption, polarity of the device to make sure the product fit before ordering, or it may not work or cause problem. AC/DC Power Adapter Wall Charger Cord for Midland ER-210 ER-310 Weather Radio What You Get: 1 x Replacement product. AC/DC Power Adapter Wall Charger Cord for Midland ER-210 ER-310 Weather Radio