<p style="font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box" class="MsoNormal">Product sales point:</p><p>1.Wireless bidirectional call ringtone. (Industry first--focus)</p><p>2. Empty working distance of 80 meters, floor 1 to 3 floor</p><p>3. Working frequency 433MHz</p><p>4. Nominal use</p><p>5. Big button one-click call, easy operation for the elderly</p><p>6. Long working time, one charge can be about 40 days</p><p>7. Built-in lithium battery, battery capacity 600 mA, recyclable</p><p>8. High volume, maximum volume 105db</p><p>9. Volume size can be adjusted, 5 gear adjustment</p><p>Changeable ringtone, 38 songs</p><p>11. Blue light when calling/ringing</p><p>12. Low power flash red light indicator, full power bright blue light indicator</p><p>13. Delivery of hanging rope, convenient for the elderly</p><p>14. Housing adopts plastic material, surface electroplating, gloss, high grade</p><p>15. Small size: 79mm*42*13.5mm</p>